Martinsen, Driebe, and Whitham provided evidence for __________ with beaver consumption of cottonwoods resulting in higher densities of herbivorous beetles.

A set of sites differing in successional age is called a [OPT1].

Which of the following statements correctly represents the variation seen between the niches for forest birds and that of algae and plants?

Bonus: Why are log scales commonly used on graphs of species abundance?

If the isocline for species 1 lies above that of species 2,

How does canopy shading influence succession of pines and deciduous trees in the Piedmont of North Carolina?

In Jane Lubchenco’s tidepool system, removal of the herbivorous snail Littorina led to

If trophic level W contains 20,000 units of energy, approximately how much energy does level Y have?

Which trophic level has the largest number of organisms?

Spiders have two tagamata:  A: the [tagma1] contains the mouthparts and walking legs B: the [tagma2] contains the reproductive organs The spider’s first pair of mouthparts are called [mouth]