Living Environment Regents Review

Which statement best describes a situation where competition occurs in an ecosystem?

A deer and a rabbit consume grass in a field.

Natural selection is best described as...

A process of nearly constant improvement that leads to an organism that is nearly perfect.

A human cell that contains all of the information necessary for the growth of a complete organism is...

A zygote.

What is the moving of a molecule from LOW concentration to HIGH concentration?

Active transport

Burmese pythons and alligators hunt the same prey. One likely effect of the introduction of the pythons is that...

Alligator populations will decline.

The genes in the bud are identical to the genes in the parent. The type of production of offspring is a form of...

Asexual reproduction.

Which molecules are needed to cut and copy segments of DNA?

Biological catalysts.

What 3 things does cellular respiration make?

Carbon dioxide Water Energy (ATP)

The final consumers in many food webs are...

Carnivores.

Where does photosynthesis occur?

Chloroplast

In humans, the maintenance of a stable internal temperature is a direct result of...

Detection of and reaction to stimuli in the environment.

What system breaks down food into nutrients and puts them in the blood stream?

Digestive

When would exposure to a potentially harmful substance be most likely to damage many organs in a developing embryo?

During the early stages of pregnancy.

Abandoned farmland that once grew corn is now covered with bushes and small trees. These observed changes resulted directly from...

Ecological succession.

A woman changes her hair color to red; however her children wont inherit this red hair color because this woman does not have...

Genes for red hair in her sex cells.

Cellular respiration uses these 2 things...

Glucose and oxygen

An energy-rich organic compound needed by organisms is...

Glucose.

A male frigatebird displays to the female by inflating its large red throat sac, throwing its head back, vibrating its wings, and producing a "drumming" sound with its throat sac. For the frigatebird, this behavior has most likely resulted in...

Greater reproductive success.

Fossils provide evidence that...

Many species of organisms that lived long ago are now extinct.

What is the site of cellular respiration in both plant and animal cells?

Mitochondria

Which sequence represents structures organized from most complex to least complex?

Oak Tree > Leaf > Guard Cell > Chloroplast

What 3 things does photosynthesis make?

Oxygen Water Glucose

There are now more than 350 California condors in North America. The condors most likely increased in number because humans decided to do...

Pass laws against using lead bullets to kill animals used by condors for food.

What is the movement of molecules from areas of HIGH concentration to areas of LOW concentration?

Passive transport or diffusion

Before a cell divides, an exact copy of each chromosome is made by the process of...

Replication.

Where are proteins made?

Ribosomes

Which activity enables humans to produce new genetic combinations in other organisms?

Selecting and breeding the organisms for specific traits.

Photosynthesis uses these 3 things...

Suns energy, co2, and water

Autotrophs differ from heterotrophs in that only autotrophs...

Synthesize nutrients using carbon dioxide and water.

Evolution can occur at different rates; however, for evolution to occur, there must be...

Variations within a species.