Test #4

Label the three (3) most recent common characteristics between humans and hares.

These limbs provide evidence of common ancestry because they ​​​ ​ (a)  

• have the same basic structure.
• perform the same function.
• are the same size.
• are parts of mammals.

Based on this dichotomous key, which two fish display the following characteristics:

1. - are NOT long and skinny

2. - have eyes located on the side of their head

3. -are spotted

• Glassy Sweeper

• Spotted Goatfish

• Glasseye Snapper

• Spotted Eagle Ray

• Bandtail Puffer

Gradual changes to the population as observed in the fossil record is called

Adaptations that result from natural selection are expected to increase the fitness of an organism. In terms of natural selection, which of the following best describes fitness?

• Being able to escape from predators

• Being among the strongest organisms in a population

• Being able to eat, survive & reproduce

• Being able to survive long enough to reach the adult stage

The expression of a trait (what you see) in an organism is called​ (a)  

• phenotype.
• genotype.
• homozygous.
• heterozygous.

What is the genotype for a heterozygous yellow pea plant?

• YY

• yy

• Yy

Which is the correct definition for genotype?

• The physical expression of a trait.

• The expression of one of your parents' traits.

• A strand of DNA made up of multiple mutations.

• The set of genes in our DNA which is responsible for a particular trait.

Which of the following genotypes is homozygous dominant?

• A

• AA

• Aa

• aa

This is an example of __________.

• codominance

• incomplete dominance