One contributing factor of the declines in many frog species is that frog eggs have ____.
A. shells that prevent frog embryos from hatching easily
B. shells that are permeable to water pollutants
C. no shells to protect from embryos from predation
D. no shells to protect frog embryos from dehydration
E. no shells to protect frog embryos from water pollutants
Answer: E
You might also like to view...
What are some of the ways in which humans alter the natural vegetation?
What will be an ideal response?
Darwin relied heavily on Mendel’s research in genetics when he formulated the theory of
evolution. Indicate whether the statement is true or false.
Discuss biologists’ definition of “species.” What does this definition imply? Give an example
of a species and discuss binomial species names. What will be an ideal response?
Latin America has the world's poorest score under the UN's Gender Inequality Index
Indicate whether the statement is true or false.