The fact that regeneration is a common type of reproduction in sea stars suggests that
A. sea star populations have high levels of genetic diversity.
B. all sea stars are haploid.
C. sea stars have almost no predators.
D. adult sea star cells retain the mechanism to form a complete animal.
D. adult sea star cells retain the mechanism to form a complete animal.
You might also like to view...
The first cells appeared about ________ billion years ago.
A. 2 B. 5 C. 4.5 D. 1 E. 3.5
Which of the following factors affects global
climate change?
a. shifts in Earth’s orbit b. changes in the tilt of Earth’s axis c. changes in solar output d. human caused increases in greenhouse gases e. all of these factors affect global climate change
You notice that some squirrels in your neighborhood have a much darker coat color than most of the other squirrels. Is this darker color an adaptation?
A) Yes, all variations are adaptations. B) No, adaptations are traits developed when they're needed to help an organism survive. C) You can't know unless you can know the coat color of the dark squirrel's parents. D) The trait is only an adaptation if it gives the squirrels an advantage in their habitat.
List five ways that you plan to alter your behavior to help solve environmental problems.
What will be an ideal response?