Which mode of reproduction is utilized by most aquatic invertebrates,fish,and amphibians?
A) Asexual reproduction
C) External fertilization
D) Internal fertilization
What is the function of yolk?
A) Cushions the developing embryo
B) Nourishes the developing embryo
C) Becomes part of the egg placental membrane
D) Provides respiratory surface for the developing embryo
E) Connects the maternal and embryonic circulatory systems
-The organism shown above is using which of the following types of reproduction?
A) Asexual budding
B) Sexual production of eggs
C) Hermaphroditic cofertilization
E) Parallel fertilization
A hermaphrodite is described by all of the following,except which statement?
A) An animal that can produce both eggs and sperm
B) An animal that develops from unfertilized eggs
C) An animal that can self-fertilize
D) An animal that switches from one sex to another over the course of its lifetime
E) An animal that produces both eggs and sperm but may require a partner for reproduction