ch 13 ecology

which phrase best describes biodiversity?

Population _______ describes the way a population is spread out over an area.

what is another name for water cycle

food webs are models that show what

zebras live on the savannas of Africa. A watering hole on the savanna would be part of a zebras

biomass refers to the total what?

true or false: the majority of nitrogen is removed from the air by water.

species that occupy similar niches but live in different parts of the world are called

what is a detrivore?

almost all autotrophs get their energy from 

which process is part of the water cycle?

long nosed bat feeds on cactus fruit & helps spread the cactus seeds is example of

to measure population density, u must divide the # of individuals living in a defined space by

CO2 is removed from the air by photosynthesis and made into sugars in which cycle?

which can be both primary and a secondary consumer?

What class are you in?

which of these is an example of parasitism?

organism A benefits from an interaction with organism B. B does not benefit nor is it harmed.

herbivores are which of the following?

what do all the biotic and abiotic factors in a given area make up?

an organism that makes its own food is what

each level in a food chain contains less energy than the one below it because what happens

mantella frog and poison dart frog occupy similar niches in different parts of the world. ex of

organisms that feed on dead or decaying matter are called what?

NO2 is converted to NO3 in which cycle?

a tree, sun, river, rocks: which is biotic?

weathering of rocks is a major part of what cycle?

what happens during the process of nitrogen fixation?

a goat  is considered a consumer why?

brown bears hunting for fish on a river's edge fight over space is an example of

most producers get energy from the sun using what process

from the type of population growth, which shows a growth in carrying capacity?

a tapeworm that lives inside the digestive system of its host is an example of

which of the following is a density-dependent limiting factor?

abiotic is

when 2 species compete for the same resource, they sometimes divide this resource. this is

hawks and foxes compete to eat field mice. this is a form of

nesting birds often space themselves evenly from other nests. this pattern is called

in which cycle does water vapor get created by the sun causing evaporation?

a group of organisms of the same species that live in the same area is called what

which of the following will increase the size of a population?

which type of organism would be most likely to have type II survivorship curve?

bacteria are important in the nitrogen cycle because they