The figure above shows the distribution of 10 plant species that grow along a regular environmental gradient, such as depth of the water table in a river valley. All other environmental factors are similar. This figure demonstrates that

TLS Online TPP Program

#Question id: 11506

#Unit 9. Diversity of Life Forms

A biologist discovers a new unicellullar organism that possesses more than two flagella and two small, but equal-sized, nuclei. The organism has reduced

mitochondria (mitosomes), no chloroplasts, and is anaerobic. To which clade does this organism probably belong?

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#Question id: 3318

#Unit 11. Evolution and Behavior

When members of a metal- torerant and metal sensitive species that initially occupied the same habitat within the same range diverge into two species due to starting to show a change in their flowering season. This process known as

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#Question id: 23888

#Unit 13. Methods in Biology

A recessive allele usually results from a mutation that

a. disrupts expression of the gene.

b. alters the structure of the encoded protein leading to gain of function.

c. alters the structure of the encoded protein leading to loss of function.

d. increases the activity of the encoded protein.

TLS Online TPP Program

#Question id: 12596

#Unit 10. Ecological Principles

Which of the following best describes the consequences of White-band disease in Caribbean coral reefs? 

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#Question id: 18915

#Unit 13. Methods in Biology

In PBR322, A gene having terminal cut with the PstI, on which selectable marker the colony will be selected