Theoretically, which two of the following present the richest potential sources of silica?

1.  marine sediments consisting of foram tests

2.  marine sediments consisting of diatom cases (valves)

3.  marine sediments consisting of radiolarian shells

4.  marine sediments consisting of dinoflagellate plates

TLS Online TPP Program

#Question id: 10827

#Unit 10. Ecological Principles

A barnacle grows on a whale, doing it no harm. This is an example of

TLS Online TPP Program

#Question id: 10828

#Unit 10. Ecological Principles

Not all parasitism involves feeding on the body of the host. The exception is

TLS Online TPP Program

#Question id: 10829

#Unit 10. Ecological Principles

A lake rich in nutrients and species is classified as

TLS Online TPP Program

#Question id: 10830

#Unit 10. Ecological Principles

Which of the following helps a prey species avoid being detected by a predator?

TLS Online TPP Program

#Question id: 10831

#Unit 10. Ecological Principles

Which of the following helps a prey species advertise to predators that it is unpalatable?

TLS Online TPP Program

#Question id: 10832

#Unit 10. Ecological Principles

Which of the following is an example of a plant chemical defence?