You are presented with the question "Reptiles are a class of tetrapod vertebrates that produce eggs with a what?" and the following answer choices:  - kinetic energy  - Chemical energy  - the body's largest organ  - heat energy  - Epidermis  - epidermis and dermis  - waterproof shell  - rapid expansion  Now knowing that reptiles are a class of tetrapod vertebrates that produce amniotic eggs and all reptiles produce eggs with a waterproof shell full of amniotic fluid, choose the best answer.
waterproof shell

You are presented with the question "Sucrose attracts sperm to the what for fertilization?" and the following answer choices:  - egg  - ovum  - omelet  - nest  - male  - ova  - uterus  - pistil  Now knowing that fertilization occurs when sperm swim to an egg inside an archegonium and archegonium secretes sucrose to attract the sperm, choose the best answer.
egg

You are presented with the question "How can an animal learn actions?" and the following answer choices:  - movement  - Chemical energy  - by fighting  - through play  - by eating  - when they sleep  - stamina  - Riding a bike  Now knowing that behaviors can be learned through play and kids imitate adult actions and behaviors, choose the best answer.

through play