Some animals develop directly through transient stages into adults; others have ________ stages. Give examples. What do these ________ undergo to transform into an adult?
-larval (ex: frog & tadpole)
-they undergo metamorphosis
What are Hox genes and what do they do?
- homeobox
-regulate expression of other genes and help transform zygote to animal of specific form
(they are similar in animal groups)
What are the 3 types of muscle tissue?
smooth, skeletal, and cardiac
In sexual reproduction of animals, the sperm is ______________ while the egg is ____________.
- small and flagellated (motile) ------larger and nonmotile