Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?

TLS Online TPP Program

#Question id: 10815

#Section 2: Evolution

The evolution of two interacting species in a community is referred to as ________________.

TLS Online TPP Program

#Question id: 16800

#Section 5: Applied Ecology & Evolution

If a disease jumps from a non-human animal to a human, then it is termed as

TLS Online TPP Program

#Question id: 12109

#Section 1: Ecology

Niches of two coexisting species of pond snail of the same genus are likely to be similar, but not identical, because of which of the following?

I. Closely related species use similar resources.

II. Competitive interactions exist between these species. 

III.  Unlimited resources are available.

TLS Online TPP Program

#Question id: 3443

#Section 2: Evolution

The evolution of mating systems is most likely affected by

TLS Online TPP Program

#Question id: 11773

#Section 2: Evolution

Which of the following organisms exhibits a pattern of parity quite different from the others?