The evolution of a number of ecologically diverse species from a common ancestral species is

a. parapatric speciation.
b. sympatric speciation.
c. adaptive radiation.
d. phyletic gradualism.
e. convergent evolution.


C

Biology & Microbiology

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Waxy coatings, such as found on skin, hair, and feathers of some animals and the cuticle of some

plants, are commonly used by living organisms for protection against water loss and for lubrication. Such waxes are considered to be a type of ____.

a. triglyceride b. steroid c. neutral lipid d. phospholipid e. fatty acid

Biology & Microbiology

Describe two symbiotic relationships between reef dwellers other than the zooxanthellae-coral polyp relationship

What will be an ideal response?

Biology & Microbiology

The brain and spinal cord are formed from the

A) notochord, which is formed from mesoderm. B) notochord, which is formed from endoderm. C) neural tube, which is formed from mesoderm. D) neural tube, which is formed from ectoderm.

Biology & Microbiology

Plasma is also called lymph.

Answer the following statement true (T) or false (F)

Biology & Microbiology