Analyze Some species of cichlid fish hold their fertilized eggs inside their mouths until they hatch.
What might be the costs and benefits of this behavior?

Select all the true statements about the cosmic microwave background radiation

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***