A species whose effect on biological diversity is disproportionately to its own abundance is termed


keystone

Biology & Microbiology

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Identify and define the categories of food perishability. Compare the perishability of sugar, milk, and hard cheeses (such as parmesan)

What will be an ideal response?

Biology & Microbiology

What is the correct order of gene expression in the early Drosophila embryo?  

A.  pair-rule genes, gap genes, segment polarity genes B.  gap genes, pair-rule genes, segment polarity genes C.  gap genes, segment polarity genes, pair-rule genes D.  segment polarity genes, pair-rule genes, gap genes

Biology & Microbiology

In the waiting room of a doctor's office, the staff are creating an educational display about varieties of birth control. What general categories of birth control will they want to outline?  

_____  drugs that block gonad development _____  devices to prevent implantation _____  hormones to close cervix _____  hormones to prevent ovulation _____  hypothalamic implants _____  nasal spray for males _____  sperm barrier _____  sperm destruction _____  surgical sterilization _____  abstinence

Biology & Microbiology

Virulence refers to the ability of an organism to cause disease

Indicate whether the statement is true or false.

Biology & Microbiology