7th Grade Science Review

Front

What is a dominant allele?

Back

A dominant allele contributes to the phenotype if one or two copies are present in the genotype.

Front

What are genes?

Back

Segments of DNA found in chromosomes.

Front

How do multiple genes affect characteristics like skin color?

Back

They act together to influence the trait.

Front

What organ is responsible for pumping blood throughout the body?

Back

Heart

Front

What is an ecosystem?

Back

A community of living organisms interacting with their environment.

Front

What role do producers play in an ecosystem?

Back

Producers create energy through photosynthesis, supporting the food chain.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism.

Front

What is a genotype?

Back

The genetic constitution of an individual, representing the alleles inherited.

Front

What is the function of the liver?

Back

The liver processes nutrients and detoxifies harmful substances.

Front

What is a primary consumer?

Back

An organism that eats producers, typically herbivores.