The greatest human challenge lies ahead. We have succeeded famously in becoming the technological species. Our survival now depends on our becoming the ecological species and taking our proper place in the economy of nature.

a. true
b. false


Ans: a. true

Biology & Microbiology

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Clumped dispersion is often influenced by:

a. the presence of strange groups. b. sexual reproduction in plants or invertebrates. c. unlimited seed dispersal in plants. d. a patchy distribution of resources. e. homogenous environments

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How are dry fruits different than fleshy fruits? How might these differences affect the way that their seeds are dispersed?

What will be an ideal response?

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_______ are large glycoprotein molecules that serve as the specific receptors of B cells and as antibodies.

A) Immunoglobulin molecules B) Antigens C) Human cell markers D) Immunogens

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Fungi that cause systemic mycoses are uniformly acquired by ingesting contaminated food.

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

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