The process in which plants and animals receive half of their genes from each parent.
What is Inherit?
A change in an organism's genes. It can be helpful, harmful, or neutral.
What is Mutation?
Changed body parts that help an organism survive in its ecosystem.
What is structural adaptation?
Inherited behaviors that help animals survive.
What is behavioral adapatation?
Poisons that kill insects.
What are pesticides?
There are no members of a species kind alive.
What does extinct mean?
Beavers dam rivers and make a new pond ecosystem safe from wolves and other predators. But also flood the homes of other organisms.
What is a way that animals change ecosystems?
Earthworms dig new holes in teh soil and bring oxygen to the plant roots. They also improve the soil with digested materials left behind.
What is a second example of a way that animals change ecosystems?
Introducing new plans and animas. Some examples are zebra mussels and garlic mustard. These have NO NATURAL PEDATORS and take food and space from native species.
What is one way that people change ecosystems?
Humans create garbage that is dumped into landfills and the air pollution causes acid rain.
What is another way that people change ecosystems?
50% from the mother and 50% from the father or 1/2 and 1/2.
What percent of genes do offspring inherit from their parents?
Depending on the amount of food and water, animals and plants may not grow like their DNA would allow.
What is one way the environment plays a role in how plants and animals grow?
What an organism eats can affect its color, such as the flamingo eating shrim, small crustaceans, and algae to have the pink color.
What is another example of how the environment plays a role in how animals grow?
It can be harmful such as an animal no longer having the right white blood cells to fight germs, helpful if is the first steps towards an adapatation, or be neutral and not affect the animal's chances of survival.
How can a mutation affect an organism?
A hummingbird's long beak
Give an example of a structural adaptation.
A hummingbird's ability to fly backwards.
Give an example of a behavioral adaptation.
Widespread use of pesticides such as DDT
how did the bald eagle become endangered?
It decreases the population
What does spraying pesticides do to the insect population?
People introduced new animals into its habitat such as the monkeys, pigs, and rats. It was a flightless bird and could not defend itself.
What caused the dodo bird to become extinct?
Species that are now extinct, clues about past ecosystems, and how some species have adapted over time.
What do fossils show?
Wetlands were drained for cities and farms and whooping cranes were hunted by humans.
How did humans affect whooping cranes?
A behavioral adapatation is a behavior that organisms are born with and a learned behavior is something that an organism is taught.
What is the difference between a behavioral adaptation and a learned behavior?
Birds that migrate south for the winter
Give an example of a "behavioral adaptation".
Lion cubs playing rough with their parents to learn how to hunt.
Give an example of a "learned behavior".