A bird building a nest in a tree is an example of what type of symbiosis?


Ans: Commensalism

Biology & Microbiology

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The posterior tubercle is a part of the

A) atlas. B) axis. C) anticlinal vertebra. D) thoracic vertebra. E) vertebra prominens.

Biology & Microbiology

Movement of phloem sap from a source to a sink _____

A) occurs through the apoplast of sieve-tube elements B) depends upon active transport of sugars into the sieve-tube elements C) depends on tension, or negative pressure potential D) depends on active transport of water into sieve- tube elements at the source E) results mainly from diffusion of sugars into companion cells

Biology & Microbiology

What type of thinking is required?

What will be an ideal response?

Biology & Microbiology

________ bacteria convert nitrate into atmospheric nitrogen.

A. Denitrifying B. Ammonifying C. Nitrifying D. Detritivorous

Biology & Microbiology