Biology - Biological Evolution Flashcard

Front

Why are there now certain varieties of bacteria that are resistant to penicillin?

Back

Some bacteria were genetically adapted to the penicillin and survived.

Front

Why would scientists most likely complete a DNA fingerprint for two different birds?

Back

to analyze their genetic relationship

Front

In deer herds, one dominant male mates with most of the female deer in the herd. What impact will this most likely have on the deer population over many generations?

Back

The alleles of the male deer will increase in frequency.

Front

Which statement best explains how populations of organisms become better able to survive in their environment over generations?

Back

Organisms pass genes for favorable traits to their offspring.

Front

What is the most likely effect on a species when human activities cause habitat loss?

Back

decreased population size and possible extinction

Front

Human activities causing habitat loss most likely lead to a ______ in population size and possible extinction.

Back

decrease

Front

What is the most distinguishing characteristic of the beetle affecting the soybean crops?

Back

Black triangle on its back

Front

According to the dichotomous key, if a beetle has a greenish color, it is a ______.

Back

June beetle

Front

What was the percentage of insect population with the gene for resistance in 2021?

Back

55

Front

In 2022, the majority genotype within the insect population was ____.

Back

rr