8th Grade Life Science Review

Front

What is an example of an inherited trait?

Back

Eye color

Front

Which term describes the genes an organism actually has and is not always obvious in appearance?

Back

Genotype

Front

What gas is released by plants during photosynthesis?

Back

Oxygen

Front

Which of these is an example of a phenotype?

Back

Brown fur

Front

What are concerns about genetically modified foods (GMOs)?

Back

All of these are valid concerns: Risk to human health, Losing the original genetic line of the food source, May be harmful to ecosystems.

Front

What is the definition of phenotype?

Back

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Front

What is the definition of genotype?

Back

The genetic constitution of an individual organism, representing the alleles inherited from its parents.

Front

What is photosynthesis?

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What role does chlorophyll play in photosynthesis?

Back

Chlorophyll is the pigment that absorbs sunlight, allowing plants to convert carbon dioxide and water into glucose and oxygen.

Front

What is a dominant trait?

Back

A trait that is expressed in the phenotype even when only one copy of the gene is present.