Vocabulary
a characteristic that allows an organism to survive better in its environment
Which types of structures help animals get energy?
Mouth and stomach
What is one example of an adaptation that humans have that helps them survive?
Example: hands with thumbs for grasping objects
What adaptation does a skunk have to help it avoid predators?
It releases an unpleasant odor when a predator approaches
What two kinds of animals go through metamorphosis?
Amphibians and insects
Mutation
A random change in a gene/DNA
How are exoskeleton and a plant stem alike?
both give support and protection
Why might plants be different from their parents?
They inherit genes from both parents and the parents might have different characteristics.
Why might a species become extinct?
If the species cannot adapt to the changes in its environment or cannot move to a new one.
Do ants go through metamorphosis? Explain
Yes. Ants are insects, and all insects go through metamorphosis
Exoskeleton
a hard skeleton on the outside of the body
What is reproduction
The process of living things making other living things similar to themselves (making babies)
When does succession occcur?
When an environment changes
What are two ways animals are adapted to seasonal changes?
Migrate or hibernate
How does a young tadpole differ from an adult frog?
A young tadpole lives in the water, has a tail, has no legs, and uses gills to breathe in water. An adult frog lives on land, has legs and no tail, and uses lungs to breathe air.
Stomata
holes on the surface of a plant leaf through which gases pass
What are three ways animals can get oxygen?
lungs, spiracles, gills
How does a warming climate affect an environment?
Plants and animals that cannot survive in cold environments may now move in to form new communities.
What is the difference between instincts and learned behaviors?
Instincts are inherited and present from birth; learned behaviors come from trial and error or by watching others.
What is complete metamorphosis?
The animal looks different in each stage.
4 stages; egg, larva, pupa, and adult
Spiracles
air holes on the skin of an insects body.
How would plants be affected if they did not have an ovary?
Plants would not be able to reproduce
How do spines on cacti help protect them?
The spines make it difficult for animals to eat them.
How is quick speed helpful to animals?
Speed can help animals run away from predators
What is incomplete metamorphosis?
The animal in the larva stage looks similar to the adult but has no wings.
3 stages: egg, nymph/larva, and adult.