Why are there less secondary consumers in an ecosystem than producers? (1 point) There isn't enough energy available to support more secondary consumers.
Around 90% of energy from one trophic level to the next is available.
More tertiary consumers will eat secondary consumers over producers.
There is less land to use for habitat after the producers grow.

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

Which type of stimulus do mechanoreceptors detect? sound pain heat light

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.