Stem cells are defined by two capacities:

(1) the ability to regenerate or “self-renew” and

(2) the ability to differentiate into all diverse cell types. Embryonic stem cells have the capacity to generate every specialized cell type in an organism, in other words,

TLS Online TPP Program

#Question id: 12787

#Unit 10. Ecological Principles

A cow's herbivorous diet indicates that it is a(n)

TLS Online TPP Program

#Question id: 12786

#Unit 10. Ecological Principles

How are matter and energy used in ecosystems?

TLS Online TPP Program

#Question id: 12785

#Unit 10. Ecological Principles

Which of the following members of a marine food chain occupies a similar tropic level to a grasshopper in a terrestrial food chain?

TLS Online TPP Program

#Question id: 12784

#Unit 10. Ecological Principles

Which of the following is true of detrivores?

TLS Online TPP Program

#Question id: 12783

#Unit 10. Ecological Principles

Which of these ecosystems accounts for the largest amount of Earth's net primary productivity? 

TLS Online TPP Program

#Question id: 12782

#Unit 10. Ecological Principles

The difference between net and gross primary productivity would likely be greatest for