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Questions and Answers
What is the main difference between plants and animals?
What is the main difference between plants and animals?
Animals are consumers and cannot produce food on their own, while plants are producers who make food from the sun.
What is an adaptation?
What is an adaptation?
A structural or behavioral feature used by an organism to survive in its environment.
Explain the difference between a structural adaptation and a behavioral adaptation.
Explain the difference between a structural adaptation and a behavioral adaptation.
Structural adaptations are physical features of an organism, while behavioral adaptations are actions organisms take to survive.
Give examples of behavioral adaptations.
Give examples of behavioral adaptations.
Name more structural adaptations.
Name more structural adaptations.
What is a behavioral adaptation?
What is a behavioral adaptation?
Explain the difference between an invertebrate and vertebrate.
Explain the difference between an invertebrate and vertebrate.
What are mammals?
What are mammals?
What are reptiles?
What are reptiles?
What are fish?
What are fish?
What are birds?
What are birds?
Give examples of vertebrates.
Give examples of vertebrates.
What are amphibians?
What are amphibians?
Why do reptiles get more active as the day grows warmer?
Why do reptiles get more active as the day grows warmer?
Why would a bird need webbed feet?
Why would a bird need webbed feet?
Give an example of how animals defend themselves.
Give an example of how animals defend themselves.
What happens to an animal's population when there are too many resources?
What happens to an animal's population when there are too many resources?
When are there not enough resources?
When are there not enough resources?
What is a herbivore?
What is a herbivore?
What is a carnivore?
What is a carnivore?
What is an omnivore?
What is an omnivore?
What is a producer?
What is a producer?
What is a consumer?
What is a consumer?
What must all food chains start with?
What must all food chains start with?
If one part of the food web goes extinct, how does that affect the other parts of the web?
If one part of the food web goes extinct, how does that affect the other parts of the web?
What is migration?
What is migration?
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Study Notes
Differences Between Plants and Animals
- Animals are consumers; they cannot produce their own food.
- Plants are producers that generate food through photosynthesis using sunlight.
Adaptations
- Adaptations are features, either structural or behavioral, that help organisms survive in their environment.
- Structural adaptations refer to physical traits such as a bird's bill or a bear's fur.
- Behavioral adaptations involve actions taken by organisms for survival, like bird calls or migration.
Examples of Adaptations
- Behavioral adaptations: raccoons rummaging through garbage, hippos charging threats, penguins huddling for warmth, predators sneaking up on prey, and opossums playing dead.
- Structural adaptations: succulents storing water in arid climates, porcupine quills, turtle shells, and skunk's defensive scent.
Types of Vertebrates
- Vertebrates possess a spine: examples include cows, dogs, cats, and horses.
- Invertebrates lack a spine: examples include worms, butterflies, snails, ants, and crabs.
Classes of Vertebrates
- Five main classes: mammals (warm-blooded, fur, live birth), birds (warm-blooded, wings, lay eggs), fish (cold-blooded, gills, scales), reptiles (cold-blooded, scales, hatch eggs), amphibians (cold-blooded, need water in early life stages).
Animal Defense Mechanisms
- Examples include porcupines using quills for protection and dogs biting.
Population Dynamics
- Excess resources can lead to overpopulation; without predators, species may experience population booms followed by crashes due to starvation or resource competition.
- Only the strongest survive when resources dwindle, leading to potential population declines.
Diet Classifications
- Herbivores consume only plants.
- Carnivores eat only meat.
- Omnivores have a varied diet of plants and meat.
Energy Flow in Ecosystems
- Producers (plants) harness sunlight for photosynthesis, serving as the foundation of food chains.
- Consumers rely on consuming plants or other animals for energy.
- If a part of the food web becomes extinct, the effects ripple throughout the ecosystem, impacting all interconnected species.
Migration
- Migration refers to the movement of organisms to new habitats in search of food, shelter, or water, such as birds migrating south during winter.
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