Biology STAAR Review

Front

What is a climax community?

Back

A climax community is a stable and mature ecological community that has reached a steady state of development, characterized by a complex structure and a diverse array of species.

Front

What is the genotype for a yellow plant if G = green and g = yellow?

Back

The genotype for a yellow plant is gg.

Front

What are the results of mitosis?

Back

In mitosis, the two resulting cells are identical to the starting cell and identical to each other.

Front

What is the order of ecological succession?

Back

The order of succession is C, D, A, B.

Front

What does fitness mean in biology?

Back

Fitness refers to the ability of an organism to survive and reproduce in its specific environment.

Front

What are pioneer species?

Back

Pioneer species are the first organisms to colonize a barren environment, initiating an ecological succession.

Front

Define adaptation in biology.

Back

Adaptation is a trait that helps an organism survive and reproduce in its environment.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem, while abiotic factors are non-living physical and chemical elements.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

Explain the process of natural selection.

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.