7th Grade Science Chapter Reviews

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andreafogle
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221180
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7th Grade Science Chapter Reviews
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2013-08-25 14:58:32
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7th grade science
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Chapters 8,10,11,12,13,14
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  1. What are the products of photosynthesis?

    chapter 8
    Food and Oxygen
  2. Mosses and ferns are both_______________

    chapter 8
    plants
  3. The familiar green fuzzy moss is the_________.

    chapter 8
    gametophyte
  4. The leaves of ferns are called___________.

    chapter 8
    fronds
  5. The process of growing crops in a nutrient solution is called________________.

    Chapter 8
    hydroponics
  6. Plants are __________________

    chapter 8
    Autotrophs
  7. ____________________ are groups of similar cells that perform a specific function in an organism.

    chapter 8
    Tissues
  8. Mosses are _______________ plant.

    chapter 8
    nonvascular
  9. The young leaves of ferns  are known as _______________.

    chapter 8
    fiddleheads
  10. The four basic crops of the world are  _______________.


    chapter 8
    • Wheat
    • Corn
    • Rice
    • Potatoes
  11. Organisms that eat both plants and animals are called __________________

    Chapter 10
    Omnivores
  12. An animal without a backbone


    Chapter 10
    invertibrate
  13. An animal with many lines of symmetry is ___________________.

    Chapter 10
    Radial
  14. Which animal is a medusa.

    Chapter 10
    Jellyfish
  15. Which animal has a one-way digestive system?

    Chapter 10
    earthworms
  16. All animals are made up of many __________.

    Chapter 10
    Cells
  17. An _______________ is a group of tissues that work together to perform a job.

    Chapter 10
    Organ
  18. Fish have _____________symmetry.


    Chapter 10
    Bilateral
  19. The bodies of _______________contain many pores.


    Chapter 10
    Sponges
  20. The bodies of roundworms are __________________________.

    Chapter 10
    cylindrical
  21. Mollusks with tentacles are known as______________________.


    Chapter 11
    gastropods
  22. The legs of arthropods are ______________.


    Chapter 11
    jointed
  23. At which stage of it's development is a moth enclosed in a cocoon?


    Chapter 11
    pupa state
  24. Chemicals released by insects that affect other insects of the same species are called__________________.


    Chapter 11
    pheromones
  25. A seastar is a __________________.


    Chapter 11
    Echinoderm
  26. All __________________ have an exoskeleton

    Chapter 11
    arthropods
  27. All  _______________ have two pairs of antennae

    Chapter 11
    Crustacean
  28. All insect's midsection is called a  __________________.

    Chapter 11
    Thorax
  29. The production of light by an organism is called ___________________.

    Chapter 11
    bioluminescence
  30. All echinoderms have an _________________.

    Chapter 11
    endoskeleton
  31. The hardened remains of organisms are called
    ____________________.

    Chapter 12
    fossils
  32. Which fishes do not have jaws, scales, or paired fins?

    Chapter 12
    lampreys and hagfish
  33. A bony fish uses a swim bladder to do what?

    Chapter 12
    to regulate buoyancy
  34. Adult frogs must return to the water to____________________.


    Chapter 12
    reproduce
  35. Which of the following animals breathes with lungs:
    a) shark
    b) lamprey
    c) larval salamnder
    d) lizard

    Chapter 12
    lizard
  36. Birds and mammals are _______________.


    Chapter 12
    endotherm
  37. If a shark loses a ____________, another one will move into it's place.

    Chapter 12
    tooth
  38. ___________________is the force that pushes upward against an underwater object.

    Chapter 12
    Buoyant Force
  39. Amphibians usually begin their lives _______________.

    Chapter 12
    in water
  40. The _______________pumps blood to the lungs and body.

    Chapter 12
    ventricle
  41. What characteristic is found only in birds?

    Chapter 13
    feathers
  42. A four-chambered heart is an advantage because_______________

    Chapter 13
    it keeps oxygen-rich and oxygen-poor blood separate.
  43. What causes the lift that allows a bird's wing to rise?

    Chapter 13
    reduced air pressure above the wing.
  44. Which muscle helps mammals move air into and out of their lungs?


    Chapter 13
    diaphragm
  45. Kangaroos, koalas, and opossums are ___________________.

    Chapter 13
    marsupial
  46. _________________shows the link between birds and reptiles.

    Chapter 13
    Archaeopteryx
  47. A bird's________________ grinds food.

    Chapter 13
    gizzard
  48. The _______________air moves, the less pressure it exerts.

    Chapter 13
    faster
  49. What is the function of fur and down feathers? 

    Chapter 13
    Keeping the animal warm
  50. ___________________are mammals that lay eggs.

    Chapter 13
    Monotremes
  51. The scent of a female moth causes a male to fly toward her. This scent is an example of ____________________.

    Chapter 14
    stimulus
  52. If you could play the saxophone by instinct you would:
    A) play well the first time you tried
    B) need someone to teach you
    C) have to practice frequently
    D) know how to play other instruments.

    Chapter 14
    A) play well the first time you tried.
    (this multiple choice question has been scrambled)
  53. When a male and female falcon share an acrobatic flight display, they are exhibiting......

    Chapter 14
    Courtship behavior
  54. Some squirrels sleep all day and are active all night. This is an example of _____________________.


    Chapter 14
    circadian rhythm
  55. When a bird travels from it's winter home in South America to New York, this is called_________________

    Chapter 14
    migration
  56. A spider building a web exhibits __________________.
    Chapter 14
    instinct
  57. Every day after school, you take your dog for a walk. Lately he greets your arrival with a leash in his mouth. Your dog's behavior is an example of __________________.

    Chapter 14
    Conditioning
  58. An area that an animal will fight to defend.

    Chapter 14
    territory
  59. Closely related animals  of the same species work together for the group's benefit in a _________________.

    Chapter 14
    Society
  60. Salmon return to fresh water to reproduce. This is and example of _______________.

    Chapter 14
    instinct
  61. Which structure links the nervous system and the endocrine system?

    Chapter 21
    Hypothalamus
  62. What is the male sex cell called?


    Chapter 21
    sperm
  63. The release of an egg from an ovary is known as ______________.

    Chapter 21
    ovulation
  64. Two individuals that develop from the same zygote are called__________________.

    Chapter 21
    identical twins
  65. Sex organs develop rapidly during __________________.

    Chapter 21
    puberty
  66. What gland produces adrenaline?
    adrenal
  67. The female reproductive glands are the ______________.

    Chapter 21
    ovaries
  68. The joining of a sperm and egg is called ____________________.

    Chapter 21
    fertilization
  69. The passageway through which an egg travels from the ovary to the uterus.

    Chapter 21
    Oviduct?
  70. The physical changes of adolescence are controlled by what system?

    Chapter 21
    endocrine system
  71. A dark, sticky substance that forms when tobacco burns.

    Chapter 20 Section 4
    tar
  72. When the substance inside tobacco is burned, a colorless, odorless gas is emitted. What is it?
    Carbon monoxide
  73. A drug that produces an addiction or physical dependence.

    Chapter 20 Section 4
    nicotene
  74. Why do smokers cough frequently?

    Chapter 20 Section 4
  75. because their cilia cannot sweep away mucus
  76. 3 respiratory problems that result from long-term smoking.
    • chronic bronchitis
    • emphysema
    • lung cancer
  77. A serious disease that destroys lung tissue and causes difficulty breathing?

    Chapter 20 Section 4
    Emphysema
  78. What causes emphysema?

    Chapter 20 Section 4
    People don't get enough oxygen and can't adequately eliminate CO2
  79. How do chemicals in tobacco smoke affect blood vessels?

    Chapter 20 Section 4
    Chemicals get into blood and are absorbed by blood vessels
  80. What is passive smoking?

    Chapter 20 Section 4
    People inhale smoke from other people smoking.
  81. List two reasons people start smoking .
    • Peer Pressure
    • Advertisements
  82. Any chemical that causes changes in a person's body or behavior is a ______________.

    Chapter 20 Section 4
    drug
  83. Legal drugs that help the body fight disease and injury.

    Chapter 20 Section 4
    Medicine
  84. The state in which a drug user needs larger and larger amounts of drugs to produce the same effect on the body?

    Chapter 20 Section 4
    tolerance
  85. The period of adjustment that occurs when a person stops taking drugs.

    Chapter 20 Section 4
    withdrawl
  86. What produces mood-altering effects when breathed in?

    Chapter 20 Section 4
    inhalant
  87. Synthetic chemical similar to hormones used by athletes to improve performance.

    Chapter 20 Section 4
    anabolic steroid
  88. Slows down the activity of the central nervous system.

    Chapter 20 Section 4
    depressant
  89. Speeds up body process.

    Chapter 20 Section 4
    stimulant
  90. What type of drug is alcohol?

    Chapter 20 Section 4
    depressant
  91. What is the most commonly abused drug in people age 12-17?

    Chapter 20 Section 4
    alcohol
  92. the waxy waterproof layer that covers the leaves and stems of some plants
    cuticle
  93. a group of similar cells that perform a specific function in an organism
    tissue
  94. the internal transporting tissue in some plants that are made of tubelike structures
    vascular tissue
  95. the joining of a sperm cell and an egg cell
    fertilization
  96. a fertilized egg produced by the joining of a sperm and an egg
    zygote
  97. the stage in the life cycle of a plant in which the plant produces spores for reproduction.
    sporophyte
  98. the stage in the life cycle of a plant in which the plant produces gametes or sex cells.
    gametophyte
  99. a sperm cell or an egg cell
    gamete
  100. a low growing plant that lacks vascular tissue
    non-vascular plant
  101. the thin rootlike structure that anchors a moss and absorbs water and nutrients for the plant.
    rhizoid
  102. a wetland where sphagnum moss grows on top of acidic water
    bog
  103. the blackish brown material consisting of compressed layers of dead sphagnum mosses that grow in bogs.
    peat
  104. a plant that has vascular tissue
    vascular plant
  105. the leaf of a fern
    frond
  106. method of growing plants in a solution of nutrients instead of soil.
    hydroponicsm
  107. a structure in the body that is composed of different kinds of tissue
    organ
  108. a characteristic that helps and organism survive in it's environment or reproduce
    adaptation
  109. an animal that eats only plants
    herbivore
  110. an animal that eats only other animals.
    carnivore
  111. a carnivore that hunts and kills other animals for food, and has adaptations that help it capture the animals that it preys upon.
    predator
  112. an animal that a predator feeds upon.
    prey
  113. an animal that eats both plants and animals.
    omnivore
  114. an animal that does not have a backbone
    invertebrate
  115. an animal that has a backbone
    vertibrate
  116. line symmetry; the quality of being divisible into two halves that are mirror images.
    bilateral symmetry
  117. the quality of having many lines of symmetry that all pass through a central point.
    radial symmetry
  118. the immature form of an animal that looks very different from the adult.
    larva
  119. animal whose stinging cells are used to capture their prey and defend themselves. They take their food into a hollow central cavity
    cnidarian
  120. the cnidarian body plan characterized by a vase-like shape and is usually adapted for life attached to an underwater surface
    polyp
  121. the cnidarian body plan characterized by a bowl shape which is adapted for a free swimming life.
    medusa
  122. the ability of an organism to regrow body parts.
    regeneration
  123. the opening at the end of an organism's digestive system through which waste exits.
    anus
  124. an invertebrate with a soft, unsegmented body. Most are protected by hard outer shells.
    mollusk
  125. A major organ of the excretory system. Eliminates urea, excess water and other waste materials from the body.
    kidney
  126. an organism's breathing organ that removes oxygen from water.
    gill
  127. a flexible ribbon of tiny teeth in mollusks.
    radula
  128. a mollusk with a single shell or no shell.
    gastropod
  129. a mollusk that has two shells held together by hinges and strong muscles.
    bivalve
  130. a mollusk with feet adapted to form tentacles around it's mouth.
    cephalopod
  131. an invertebrate that has an external skeleton, a segmented body and jointed attachments called appendages.
    arthropod
  132. an outer skeleton
    exoskeleton
  133. the tough flexible material through which arthropod's exoskeletons are made.
    chitin
  134. the process of shedding an outgrown exoskeleton
    molting
  135. an appendage on the head of some animals that contains sense organs.
    antenna
  136. an arthropod that has two or three body sections, five or more pairs of legs, two pairs of antenna, and usually three pairs of appendages for chewing.
    crustacean
  137. a process in which an animal's body undergoes dramatic changes in form during it's life cycle.
    metamorphesis
  138. an arthropod with only two body sections.
    arahnid
  139. the hind section of an arachnid's body that contains reproductive organs and part of it's digestive tract. The hind section of an insect's body.
    abdomen
  140. an arthropod with three body sections,  six legs, one pair of antenna, and usually one or two pairs of wings.
    insect
  141. an insect's mid-section to which it's wings and legs are attached.
    thorax
  142. a type of metamorphosis characterized by four dramatically different stages. Egg, Larva, Pupa and adult.
    complete metamorphesis
  143. the second stage of complete metamorphosis in which an insect is enclosed in a protective covering and gradually changes from a larva to an adult.
    pupa
  144. a type of metamorphosis in which an egg hatches into a nymph that resembles an adult and has no distinctly different larval stage.
    gradual metamorphesis
  145. a stage of gradual metamorphosis that usually resembles the adult insect.
    nymph
  146. protective coloration; a common animal's defense.
    camouflage
  147. a chemical release by one animal that affects the behavior of another animal of the same species.
    pheromone
  148. the production of light by a living organism.
    bioluminescence
  149. a radially symmetrical invertebrate that lives on the ocean floor and has a spiny internal skeleton.
    echinoderm
  150. an internal skeleton
    endoskeleton
  151. a system of fluid-filled tubes in an echinoderm's body.
    water vascular system
  152. the phylum whose members have a notochord,nerve-cord  and slits in their throat area at some point in their lives.
    chordate
  153. a flexible rod that supports a chordate's back.
    notochord
  154. a connective tissue that is more flexible than bone and that gives support to some parts of the body.
    cartilage
  155. backbone
    vertebra
  156. an animal whose body does not produce much internal heat.
    ectotherm
  157. an animal whose body controls and regulates it's temperature by controlling the internal heat it produces.
    endotherm
  158. a type of rock that forms when particles from other rocks or the remains of other plants and animals are cemented together.
    sedimentary rock
  159. a vertebrate that lives in the water and has fins.
    fish
  160. an internal gas filled organ that helps a bony fish stabilize it's body at different water depths.
    swim bladder
  161. an ectothermic vertebrate that spends it's early life in water and adulthood on land, returning to water to reproduce.
    amphibian
  162. each of the two upper chambers of the heart that receives blood that comes into the heart.
    atrium
  163. a lower chamber of the heart that pumps blood out to the lungs and body.
    ventricle
  164. the place where an organism lives and that provides the things an organism needs.
    habitat
  165. an ectothermic vertebrate with lungs and scaly skin, lays eggs with tough leathery shells.
    reptile
  166. a watery fluid produced by the kidneys that contains urea and other waste materials.
    urine
  167. And endothermic vertebrate that has feathers a four chambered heart  and lays eggs
    bird
  168. a large feather that helps give shape to a bird's body
    contour feather
  169. short, fluffy feathers that trap heat and keep a bird warm.
    down feather
  170. a material that does not conduct heat well, and thus helps heat to not escape.
    insulator
  171. a bird's internal storage tank that allows it to store food inside it's body after swallowing it.
    crop
  172. an endothermic vertebrate with a four chambered heart, skin covered with fur or hair, and has young fed with milk from the mother's body.
    mammal
  173. teeth that, along with molars, grind and shred food into tiny bits.
    premolars
  174. teeth that along with pre-molars grind and shred food into tiny bits.
    molars
  175. the organs that produce the milk with which mammals feed their young.
    mammary gland
  176. mammal that lays eggs
    monotreme
  177. mammal who's young are born alive at an early stage of development, and continue to develop in a pouch on the mother's body.
    marsupial
  178. all the actions an animal performs
    Behavior
  179. the learning that occurs when an animal learns to perform a behavior more and more skillfully through repeated practice.
    trial and error learning
  180. the process of learning how to solve a problem or do something new while applying something that is already known.
    insight learning
  181. the capacity of a computer to perform complex tasks such as learning from experience and solving problems.
    artificial intelligence
  182. a process in which newly hatched birds or newborn animals learn to follow the first object they see.
    imprinting
  183. a threatening behavior that one animal uses to gain control over another.
    aggression
  184. a group of closely related animals that work together for benefit of the whole group.
    society
  185. a state of greatly reduced body activity that occurs during the winter.
    hibernation
  186. an organ of the endocrine system that produces and releases it's chemical products directly into the blood stream.
    endocrine gland
  187. the chemical product of an endocrine gland that speeds up or slows down the activities of an organ or tissue.
    hormone
  188. a cell in the body that recognizes a hormone's chemical structure. A cell to which a hormone binds chemical.
    target cell
  189. endocrine gland just below the hypothalamus that communicates with the hypothalamus to control many body activities.
    pituitary gland
  190. a process in which a system is turned off by the condition it produces.
    negative feedback
  191. female sex cell
    egg
  192. male sex cell
    sperm
  193. the joining of a sperm cell and an egg cell.
    fertilization
  194. the process by which living things produce new individuals of the same type.
    reproduction
  195. a fertilized egg produced by the joining of a sperm and an egg.
    zygote
  196. a rod-shaped cellular structure made of condensed chromatin; contains DNA which carries the genetic information that controls inherited  characteristics such as eye color and blood type.
    chromosome
  197. organ of the male reproductive system in which sperm and testosterone are produced.
    testis
  198. a hormone produced by the testes that controls the development of physical characteristics in men.
    testotsterone
  199. an external pouch of skin in which the testes are located.
    scrotum
  200. a mixture of sperm cells and fluid.
    semen
  201. the organ through which both semen and urine leave the male body.
    penis
  202. an organ of the female reproductive system in which eggs and estrogen are produced.
    ovary
  203. a hormone produced by the ovaries that controls the development of adult female characteristics.
    estrogen
  204. the hollow muscular organ of the female reproductive system in which a baby develops.
    uterus
  205. a muscular passageway through which the baby leaves the mother's body
    vagina
  206. the monthly cycle when changes that occurs in the female reproductive system during which an egg develops and the uterus prepares for the arrival of the fertilized egg.
    menstrual cycle
  207. the process in which a mature egg is released from the ovary into an oviduct. Occurs about halfway through a typical menstrual cycle.
    ovulation
  208. the process that occurs if fertilization does not take place. In which the thickened lining of the uterus break down and blood and tissue pass out of the female body through the vagina.
    menstruation
  209. a developing human during the first 8 weeks after fertilization has occurred.
    embryo
  210. a fluid filled sac that cushions and protects a developing fetus in the uterus.
    amniotic sac
  211. a membrane that becomes the link between the developing embryo and the mother.
    placenta
  212. a rope-like structure that forms in the uterus between the embryo and the placenta.
    umbilical cord
  213. a developing human from the 9th week of development until birth.
    fetus
  214. the stage of development between childhood and adulthood. When children become adults physically and mentally.
    adolescence
  215. the period of sexual development during the teenage years when the body becomes able to reproduce.
    puberty
  216. the pressure from friends and classmates to behave in certain ways
    peer pressure

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