A Human Embryo Is Known as a Fetus After ________

Q3: In what ways are the juveniles of

Q28: The fetus can move and respond to

Q29: During mammalian development:<br>A)a zygote becomes a blastula.<br>B)a

Q30: Yolk sacs are found only in animals

Q31: Birds hatch out of their eggs looking

Q34: In species with direct development, fewer offspring

Q36: The embryo of the _ undergoes direct

Q37: The placenta prevents pathogenic microbes like HIV

Q38: An embryo was exposed to a chemical

Q86: Why do organisms that have indirect development