Spring Semester Final Review 2021

The ribosome reads _______ molecules.

Organisms that have two identical alleles for a particular trait are said to be

Traits that are produced by the interaction of several genes are said to be

A snake that eats a frog that has eaten an insect that fed on a plant is a

The variable that is purposefully changed is called the _________ variable

The first organisms on Earth were most like today's

Carbon cycles through the biosphere in all of the following processes EXCEPT

The total amount of living tissue within a given a trophic level is called

In codominant inheritance, heterozygous organisms show

Each of the following is an abiotic factor in the environment EXCEPT

Gametes are made by the process of

Symbiosis in which both species benefit is called

Sex-linked traits are more commonly shown in males because

Darwin called the ability of an organism to survive and reproduce in its environment

A change in the DNA sequence is called a

Which of the following is a density-independent factor?

Mendel concluded that traits are

Nitrogen fixation is carried out primarily by

Gregor Mendel used pea plants to study

Genes contain instructions for assembling

Which of the following can contribute to genetic variation?

How many codons are needed to specify three amino acids?

Examples of fossils include preserved

How many alleles exist for human blood type?

What animals eat both producers and consumers?

Biology is the study of

Make an mRNA strand based on this DNA strand: CTAG