Biology STAAR Review

Front

What is codominance in genetics?

Back

Codominance is a type of inheritance pattern where both alleles in a heterozygous individual contribute equally and visibly to the organism's phenotype.

Front

What is incomplete dominance in genetics?

Back

Incomplete dominance is a type of inheritance pattern where the phenotype of a heterozygous individual is intermediate between the phenotypes of the two homozygous parents.

Front

What type of relationship exists between a tapeworm and its host cat?

Back

Parasitism, where the tapeworm benefits at the expense of the cat.

Front

What is mutualism?

Back

Mutualism is a type of symbiotic relationship where both species benefit from the interaction.

Front

What is commensalism?

Back

Commensalism is a type of symbiotic relationship where one species benefits and the other is neither helped nor harmed.

Front

What is competition in ecology?

Back

Competition is an interaction between organisms or species in which both are harmed as they compete for limited resources.

Front

How do enzymes affect activation energy?

Back

Enzymes catalyze reactions by decreasing the activation energy required for the reaction to occur.

Front

What percentage of energy do herbivores receive from plants in a food web pyramid?

Back

Herbivores receive only 10% of the energy stored in plants.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is secondary succession?

Back

Secondary succession is the process of ecological change that occurs in an area where soil exists but has been disturbed, such as after a forest fire.