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A_____ is the smallest unit of a living thing that can perform life processes.
Label the part of an animal cell
- cell membranes
Plan cells have 2 things that animal cells do not have. Those 2 things are ____ and _____.
chloroplast and cell wall
We use microscopes to make things look _____.
Three things scientists look at to sort organisms into different groups are:
- 1. How many cells does it have.
- 2. Where does it live.
- 3. How does it get food.
The largest classification group is a _____.
____, _____, and ____ are one-celled organisms.
- ancient bacteria
- true bacteria
____, _____, and ____ are many-celled organisms.
What kingdom do we belong to?
______ plants are plants that have tubes that carry water and nutrients.
Nonvascular plants do not have tubes. They pass water and nutrients from ____ to ____.
cell to cell
______ is an example of a vascular plant.
_____ is an example of a nonvascular plant.
Two ways plants reproduce is by ____ and _____.
seeds and spores
Scientists classify animals into 2 major groups: ____ and ____.
Vertebrates and Invertebrates
____ have backbones.
Five classes of vertebrates are:
- 1. fish
- 2. amphibians
- 3. reptiles
- 4. birds
- 5. mammals
Invertebrates DO NOT have a backbone. Three classes of invertebrates are:
- 1. worms
- 2. arthropods
- 3. mullosks
______ are invertebrates that have jointed legs and an exoskeleton.
_______ are invertbrates that have soft bodies and live inside of a shell.
An _____ trait is a physical feature that a young gets from its parents.
An ______ is a behavior that animals are born knowing.
An _____ is a physical feature or behavior that helps an animal get food, protect itself, move, or reproduce.
Sort the animals into 2 groups: Vertebrate or invertebrate.
spider, snail, monkey, crab, cow, bird, fish, earthworm, octupus, clam, snake, frog
- Vertebrate: monkey, fish, cow, snake, bird, frog
- Invertebrate: spider, snail, earthworm, crab, octubpus, clam