A common ancestor is an organism that is the(1 point)
Responses
direct ancestor of two or more different organisms.
direct ancestor of two or more different organisms.
direct ancestor of one organism.
direct ancestor of one organism.
indirect ancestor of two or more different organisms.
indirect ancestor of two or more different organisms.
indirect ancestor of one organism.
9 answers
direct ancestor of two or more different organisms
Why do organisms evolve?(1 point)
Responses
Organisms naturally select traits that help them survive and reproduce.
Organisms naturally select traits that help them survive and reproduce.
Changes in the environment cause organisms to change.
Changes in the environment cause organisms to change.
Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Organisms make changes to help them survive and reproduce in their environment.
Responses
Organisms naturally select traits that help them survive and reproduce.
Organisms naturally select traits that help them survive and reproduce.
Changes in the environment cause organisms to change.
Changes in the environment cause organisms to change.
Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Organisms make changes to help them survive and reproduce in their environment.
Organisms naturally select traits that help them survive and reproduce.
Scientists discover fossilized bones from two different animals. The scientists consult the fossil record to learn more about the fossils. Which question will the fossil record best answer?(1 point)
Responses
What killed the animals?
What killed the animals?
How are the animals related to modern animals?
How are the animals related to modern animals?
Which animal was better equipped to survive?
Which animal was better equipped to survive?
Which animal is older?
Responses
What killed the animals?
What killed the animals?
How are the animals related to modern animals?
How are the animals related to modern animals?
Which animal was better equipped to survive?
Which animal was better equipped to survive?
Which animal is older?
How are the animals related to modern animals?
Fossils are used to study(1 point)
Responses
organisms that live today.
organisms that live today.
how ancient animals behaved.
how ancient animals behaved.
organisms that once lived.
organisms that once lived.
phylogenetic trees.
Responses
organisms that live today.
organisms that live today.
how ancient animals behaved.
how ancient animals behaved.
organisms that once lived.
organisms that once lived.
phylogenetic trees.
organisms that once lived.
There are 13 species of Darwin’s finches on the Galapagos Islands. They have many similar features but differ in beak size and shape. Which explanation accounts for these characteristics?(1 point)
Responses
Finch species have similar diets.
Finch species have similar diets.
All finch species evolved from a common ancestor.
All finch species evolved from a common ancestor.
Finch species interbreed.
Finch species interbreed.
Each finch species evolved from a different ancestor.
Responses
Finch species have similar diets.
Finch species have similar diets.
All finch species evolved from a common ancestor.
All finch species evolved from a common ancestor.
Finch species interbreed.
Finch species interbreed.
Each finch species evolved from a different ancestor.
All finch species evolved from a common ancestor.