As climate changes because of global warming, species? ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that

#Question id: 11251

#Section 1: Ecology

The highest grade of sociality in the animal world is called:

#Question id: 4698

#Section 2: Evolution

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that

#Question id: 12357

#Section 1: Ecology

#Question id: 11057

#Section 2: Evolution

Bombardier beetles release an explosive mixture of quinones and hydrogen peroxide from glands at the end of their abdomen when disturbed by grasshopper mice and other predators. This is an example of what kind of defense against predation?

#Question id: 10653

#Section 2: Evolution

All offspring are produced in a single reproductive event, we term this pattern semelparity. Which of the following is characteristics feature for semelparity individuals?

a) Semelparity is common in insects and other invertebrates

b) Semelparous organisms may live for many years before reproducing

c) semelparity occur only in plant

d) In semelparity, exploitation competition is more common than interference competition