1. Science Chapter 2 Animal Review
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2. The five basic needs of animals are:
Air
Water
Food
Shelter
Space
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3. In your mind, choose two animals.
What adaptations do these animals possess?
Is each animal’s adaptation an adaptation for growth and development, survival or reproduction?
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4. My First Pick…
A polar bear has thick white fur to keep it warm (purpose – survival). Its fur also helps it to blend in with its artic environment (purpose – camouflage for survival).
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5. My Second Choice…
The bright red body of a male cardinal helps it attract a mate (purpose – reproduction). In other animals, bright colors tell predators to stay away. They have learned the animal is poisonous!
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6. What is an organism?
An organism is any living thing.
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7. What animal only eats plants and vegetation?
A herbivore
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8. What animal only eats meat?
A carnivore
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9. What animal eats both the meat from other animals and plants?
An omnivore
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10. What is an animal called that hunts for its food?
A predator
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11. An animal that is food for a predator is called
prey
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12. A ________ is an organism that makes its own food.
producer
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13. What is a consumer?
A consumer is an organism that eats a producer or another consumer in a food chain.
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14. A _________ is an animal that eats dead animals that it does not kill.
scavenger
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15. What is a decomposer?
A decomposer breaks down the remains of once living materials.
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16. Mild Forest Ecosystem Food Chain…If one of these organisms were taken out, how would this affect the rest of the food chain?
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17. What is an example of an inherited trait?
Eye color
Hair color
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18. Animals hunting for food A dog doing tricks
Learned behaviors are behaviors that animals learn through experience. Give an example of a learned behavior.
Language
Animals hunting for food
A dog doing tricks
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19. Baby sea turtles going to the sea.
Instinctive behaviors are patterns of behavior that are automatic. Give an example of an instinctive behavior.
A Spider spinning a web.
Migration
Baby sea turtles going to the sea.
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20. What is an inherited behavior?
An inherited behavior is much like a reflex. It is a behavior that is inherited from our parents, such as scratching an itch or crying.
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21. What is a metamorphosis?
A change in body form.
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22. List the steps of a complete metamorphosis.
Egg
Larva
Pupa
Adult
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23. List the steps of an incomplete metamorphosis.
Egg
Nymph
Adult
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24. Life Cycle of a chicken…
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25. A vertebrate is an animal with a backbone.
What is a vertebrate?
A vertebrate is an animal with a backbone.
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26. What is an invertebrate?
An invertebrate is an animal without a backbone.
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27. What are the characteristics of a fish
What are the characteristics of a fish? Identify one animal in this class.
Lives in water
Breathes through gills
Has a backbone
Covered with scales
Cold-blooded
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28. What are the characteristics of amphibians
What are the characteristics of amphibians? List one animal in this class.
Lives part of life in water and part of life on land.
Cold-blooded
Has a backbone
Has smooth, moist skin and no scales
Usually goes through a metamorphosis
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29. What are the characteristics of reptiles? List one animal in this class.
Dry, rough, scaly skin
Has lungs for breathing
Cold-blooded
Has a backbone
Most hatch from eggs
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30. What are the characteristics of birds
What are the characteristics of birds? List one example of an animal in this class.
Has feathers
Warm-blooded
Hatches from an egg
Has a backbone
Has a beak
Has two legs and two wings.
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31. What are the characteristics of mammals? List one animal in this class.
Babies are fed with milk from the mother’s body
Has a backbone
Has a well-developed brain
Warm-blooded
Has fur or hair
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32. Identify one environmental change and describe how this change could either be beneficial or harmful to the ecosystem.
Fire can be both beneficial and harmful. Fire can destroy our land and animal’s habitats but it can also clear away dead or diseased plants and brush to make new room for organisms to grow.
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33. Identify one environmental change that can be caused by humans.
Fire
Construction
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34. List three differences between an insect and an arachnid and one thing these organisms have in common.
Differences – insects have 6 legs and arachnids have 8, insects have 3 body parts and arachnids have only 2 body parts and insects can fly and arachnids can not fly
Common – they are both invertebrates
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35. List three differences between a reptile and an amphibian and two things these organisms have in common.
Differences – reptiles have dry, rough, scaly skin and amphibians have smooth moist skin, reptile babies look like smaller copies of their parents and most amphibians go through a metamorphosis, and amphibians have gills part of their lives and lungs the other part of their lives, reptiles breathe through lungs all their lives.
Common – they are both cold-blooded vertebrates
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36. Good luck on your test! Be sure to study, study, study!
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