What is it called when a habitat is reduced in quality?

a) habitat destruction
b) habitat degradation
c) habitat pollution
d) charismatic megafauna

What do animals wth echolocation have in common other than echolocation

Which of the following typically characterizes a tropical rainforests

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons