Chapter 7: Life Science- Classification of plants and animals
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Vocabulary:
- invertebrate – animal without a backbone
- vertebrate – animal with a backbone
- microorganism – organism too small to be seen without a microscope
4. classification- the act of grouping things by using a set of rules
5. bacteria-single-celled organisms that do not contain a nucleus
6. vascular plants – plants that have tissues that act like tubes to transport water through the plant.
7. nonvascular plants – plants that absorb water like a sponge. They do not have tubes like tissues to transport water and nutrients.
8. gymnosperm – vascular plants that produce seeds but do not produce flowers or fruits. (seeds are in hard berries or cones)
9. angiosperms – vascular plants that have seeds produced inside of flowers or fruit.
11.Vertebrates are sorted into five groups:
1. fish: have gills and scales
2. amphibians: begin life in water and as adults live on land
3. reptiles: lay eggs, have scaly skin
4. birds: have feathers and wings; most fly
5. mammals: have hair; feed milk to their young
13.How do beneficial microorganisms help your body?
- Many foods are produced with the help of bacteria, such as yogurt and cheese.
- Bacteria that live in your intestines help you digest food.
14. What are some examples of harmful microorganisms?
- Bacteria can cause illnesses such as strep throat.
- Some bacteria can cause food poisoning.
- Protists can cause diseases, such as malaria.
15. How can you avoid harmful microorganisms?
- Wash your hands with soap and water often.
- Eat healthy foods
- Exercise,
- Drink lots of water
- Get plenty of rest
16. What characteristics do almost all plants share?
Almost all plants are multicellular and make their own food.
17. How do vascular and nonvascular plants differ?
Vascular plants have tube-like tissues that transport water. Non-vascular plants do not.
18. What kind of vascular plant produces seeds but does not have have flowers or fruit?
Gymnosperm
19. What kind of vascular plant produces seeds inside of a flower or fruit?
Angiosperm