Biology Semester 2 Final Exam Review

A group of different species in the ecosystem is known as a

What direction is the peak shift in directional selection?

Who was the scientist who developed the biological theory of evolution?

Similar patterns of embryological development in different but related organisms are

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

There are 5 key abiotic factors living things depend on that cycle earth: carbon, phosphorus, nitrogen, water, & oxygen.

Which of the following events do biologists consider a random change?

Select any of the types of natural selection that can affect the distribution of phenotypes.

Nitrogen fixation is carried out primarily by

The separation of populations by barriers such as rivers, mountains, or bodies of water is

When a dairy farmer chooses to breed the cows that give the most milk in the herd, this is

The species of finches that Charles Darwin found on different Galápagos Islands varied in

Survival according to birth weight in humans is an example of which type of natural selection?

A symbiotic relationship in which both species benefit is commensalism.

All the interconnected feeding relationships in an ecosystem make up a food

Genetically modified food produced from plants or animals has DNA ____ through genetic engineering.

Human populations are in the exponential phase of growth.

What is the term for each step in the transfer of energy and matter within a food web?

CRISPR means “clustered regularly interspaced short palindromic repeats,” but what does it do?

The role in which an organism lives and obtains what it needs to survive and reproduce:

Density-independent limiting factors limit population growth regardless of population density

A symbiotic relationship in which one organism is harmed and the other benefits is

Natality is a term to describe death rate.

When individuals at only one end of a bell curve of phenotype frequencies have high fitness:

The evolution of the peppered moth color variation is a consequence of the Industrial Revolution.

What animals eat both producers and consumers?

Primary succession begins on soil and secondary succession begins on newly exposed surfaces.

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

The genes carried by all members of a particular population make up the population’s

The branch of biology dealing with interactions between organisms and their environment is