Grade 8 Science DCA #3 Review

Front

What is the term for the physical traits that we see on an organism?

Back

Phenotype

Front

What is the genetic makeup of an individual called?

Back

Genotype

Front

In genetics, what does 'T' represent in terms of plant height?

Back

Tall

Front

In genetics, what does 't' represent in terms of plant height?

Back

Short

Front

What is the expected genotype of offspring from a cross between Tt and tt?

Back

50% Tt (tall), 50% tt (short)

Front

What does a Punnett square illustrate?

Back

The possible genetic combinations of offspring from a genetic cross.

Front

Which region would most likely show the root length of a cactus?

Back

Region 1

Front

Which region would most likely show the root length of an oak tree?

Back

Region 3

Front

What does the term 'primitive' refer to in evolutionary biology?

Back

An organism that is less advanced or has simpler structures compared to its descendants.

Front

What can be inferred from the size and structure changes in organisms over time?

Back

It indicates evolutionary changes and adaptations.