As population density increases in harp seals (Phoca groenlandica), females

A) become sexually mature at a smaller body size.
B) refuse to mate with males.
C) begin reproduction at a later age.
D) often cannibalize their own offspring.


C

Biology & Microbiology

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The ratio of recombinants to total number of progeny can be simplified to a percentage, and 1% recombination is equal to 1 ____ , which represents the distance between two linked genes

Fill in the blank with the appropriate word.

Biology & Microbiology

Which of the following do not undergo a dramatic change in form as they grow?

a. Silverfish. b. Dragonflies. c. Fleas. d. Crane flies. e. Luna moths.

Biology & Microbiology

The Panamanian golden frog is in decline because of ________, which are being driven by ________.

A. introduced species; increased global trade  B. outbreaks of a fungus; deforestation C. outbreaks of a fungus; global climate change D. outbreaks of a virus; global climate change E. outbreaks of a virus; deforestation

Biology & Microbiology

Some elongated fimbriaare important in transferring DNA between bacteria

____________________ Indicate whether the statement is true or false.

Biology & Microbiology