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A disease resulting in the deaths of one-third of a dense population of bats in a cave would be a?

Density-Dependent limiting factor

What occurs in a population as it grows?

The birthrate becomes higher than the death rate.

Which would be least likely to be affected by a density-dependent limiting factor?

A small, scattered population

The general place where an organism lives?

Habitat

Wolves and a caribou herd.

Mutualism

Dramatic decrease in methane, H2O vapor, and CO2

Global temperature decrease

How an organism interacts with it's habitat

niche

most rainfall from november through april. none in july and august

temperate woodland and shrubland biome

where freshwater rivers, and salt water mix and intermingle

Estuary

Most rainfall and highest temperatures June, July, and August. With abundant coniferous forests

boreal forest biome

wolf feces (poop) and the Arctic Tundra

Commensalism

Pioneer species

break down rock into soil

Contains the benthic environment

open ocean aphotic zone

Permafrost

Tundra

Hot and wet all year around. Nutrients poor, thin soils

Tropical rain forest biome

climate is caused by:

solar heat/latitude

Fleas living upon a wolf.

Parasitism

Climax community

Ending ecosystem in succesion

The repeated movement of water between Earth's surface and the atmosphere is called

The water cycle

The human population experienced exponential growth after

the industrial revolution began.

When organisms move out of the population they were born in, is known as?

emigration

A water molecule is polar because there is an uneven distribution of electrons between the oxygen and?

Hydrogen atoms

The number of organisms that an environment can support over a relatively long period of time is called?

carry capacity

What is happening in a population as it decreases?

The death rate becomes higher than the birthrate.

Which of the following describes how fast the human population is growing?

exponentially

Under ideal conditions with unlimited resources, a population will grow?

Exponentially

When organisms move into a given area from another area, what is taking place?

Immigration

Which factor might NOT contribute to an exponential growth rate in a given population?

reduced resources

Only 10 percent of the energy stored in an organism can be passed on to the next tropic level. Of the remaining energy, some is used for the organsim's life processes and the rest is

Eliminated as heat

Water lilies do not grow in desert sand because water availability to these plants in a desert is

a limiting factor

A controlled experiment allows the scientist to isolate and test

a single variable

Lipids are important parts of biological membranes and waterproof coverings? True or false?

true

Which of the following is a density-dependent factor? Immigration,emigration,earthquake, disease

Disease

If immigration and emigration numbers remain equal, which is the most important contributing factor to a slowed growth rate?

decrease birthrate

A biotic or an abiotic resource in the environment that limits the size of a population is a

limiting factor

If an entire wolf population dies, the moose population on which it preys will grow to the enironment's

carrying capacity

How many cntimeters are there in 2.4 km?

240,000

The process by which organisms keep their internal conditions relatively stable is called?

Homostasis

Brachi-

Arm

Dis-

ill or bad

cephalo-

head

Costa-

rib

-fer

bearer

decid-

to cut off.

ecto-

outer

archae-

ancient

-emia

blood

-ectomy

removal

aqua-

water

endo-

inner

carn-

flesh

-dont

tooth

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

third-level consumer

The movement of individuals out of an area is emigration? true or false

true

When individuals in a population reproduce at a constant rate, it is called?

exponential growth

Emigration can cause a population to ___ in size?

decrease

Which are two ways a population can decrease in size?

decreased birthrate and emigration

Amino acid is to protein as

simple sugar is to starch

water is the greatest solute in the world? true or false

false

Organisms that break down organic matter and return it to the environment are called?

decomposers

plant-eating animals such as cows are called?

Herbivores

Primary succession can begin after?

A lava flow

A lake that is protected from receiving the runoff from a cultivated field is more likely to remain a healthy ecosystem? true or false

true

The elements or compounds produced by a chemical reaction are known as?

products

a monosaccharide is a?

carbohydrate

Enzymes affect the reactions in living cells by changing the

speed of the reaction

the variable that is deliberately changed is called the responding variable? true or false?

false

a covalent bond is formed as the result of

sharing an electron pair

what type of bond is formed when an atom loses electrons?

positive

what does not require sunlight to live?

chemosynthetic bacteria

which of the following descriptions about the organization of an ecosystem is correct?

species make up populations, which make up communities

In which way are green plants in a sunny mountain meadow and sulfur bacteria in a deep-sea volcanic vent alike?

They both produce carbohydrates and oxygen

The lowest level of environmental complexity that includes living and nonliving factors is the?

Ecosystem

A like that is protected from receiving the runoff from a cultivated feild is more likely to remain a healthy ecosystem? true or false

false

some autotrophs obtain their energy from hydrogen sulfide to produce carbohydrates? True or false

True

an organism that cannot make its own food is called?

heterotroph

-ase

Enzyme

-algia

pain

mice

consumers

community

all wolves, mice, and caribou in the arctic

chemosynthesis

bottom of the ocean

ad-

toward

archae-

ancient

card-

heart

an-

without

blast-

that will germinate

population

all the wolves in the artic

karyo-

nucleus of a cell

anti

against

tundra-

producers

-blast

will germinate

biotic

living

cephalo

head

oxidase

enzyme

albumin

egg white

adduction

towards the body

arthropod

has joints

aqua-

water

abiotic-

not living

ecosystem

group of communites

archae-

ancient

lipid

triglyceride

rainfall

condensation

chloroplast

green

karyo-

nucleus

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