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Which class of organisms gather their energy directly from the sun? a. autotrophs b. carnivores c. herbivores d. detritivores
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User: Which class of organisms gather their energy directly from the sun? a. autotrophs b. carnivores c. herbivores d. detritivores

Weegy: c. herbivores
jeffreymcmillan|Points 680|

User: In a particular environment there is plenty of food, water, cover, and space to support a large population of pheasants, but a larger quantity of predators are introduced. The predators become the _______ for pheasants in that environment. a. carrying capacity b. abiotic factor c. limiting factor d. biotic factor

Weegy: In a particular environment there is plenty of food, water, cover, and space to support a large population of pheasants, but a larger quantity of predators are introduced. The predators become thec. limiting factor for pheasants in that environment. [ ]
selymi|Points 12122|

User: How does population density differ from population size? a. Population size takes all organisms into account, while population density only takes specific age groups of the population into account. b. Population size is the total number of organisms, while population density is the total number of organisms within a given area. c. Population size is the total number of organisms within a given area, while population density is the total number of organisms of a specific age. d. Population size is the total number of organisms of all species, while population density is the total number of organisms of a specific species.

Weegy: B. Population size is the total number of organisms, while population density is the total number of organisms within a given area. population density is the number of people per unit of area usually per square kilometer or mile. [ Population density is a measurement of population per unit area or unit volume while Population size is the number of individual organisms in a population. population size (Ne) is defined as "the number of breeding individuals in an idealized population that would show the same amount of dispersion of allele frequencies under random genetic drift or the same amount of inbreeding as the population under consideration. ]
sweetvhe|Points 99|

User: Which of the following statements is true? a. Biotic factors are nonliving components of an ecosystem. b. Abiotic factors are living components of an ecosystem. c. The available space in an ecosystem is an abiotic limiting factor. d. The available water supply in an ecosystem is a biotic limiting factor.

Weegy: D. Abiotic factors is the answer. Abiotic means "non-living"
Mikee7|Points 174|

User: Which of the following species is a K-selected species? a. Redwood trees b. Fruit flies c. Algae d. Grasshoppers

Weegy: The species that is a K-selected species is b. Fruit flies.
zcapzbaby|Points 280|

User: Identify the biotic limiting factor from the choices below. a. space b. vegetation c. water d. climate

Weegy: Climate is the biotic limiting factor of the choices. A limiting factor is something that holds back a species from developing.
vonna79|Points 568|

User: Migration is _______. a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location c. the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations

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Asked 288 days ago|12/4/2013 6:08:57 AM
Updated 241 days ago|1/20/2014 9:40:03 AM
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the class of organisms that gather their energy directly from the sun is autotrophs.


Added 241 days ago|1/20/2014 9:40:03 AM
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In a particular environment there is plenty of food, water, cover, and space to support a large population of pheasants, but a larger quantity of predators are introduced. The predators become the _______ for pheasants in that environment. a. carrying capacity b. abiotic factor c. limiting factor d. biotic factor
Weegy: In a particular environment there is plenty of food, water, cover, and space to support a large population of pheasants, but a larger quantity of predators are introduced. The predators become thec. limiting factor for pheasants in that environment. [ ] User: Which of the following factors would have the smallest impact on a population’s size? a. the total number of organisms b. the available water supply c. the variety of organisms d. adequate shelter Weegy: Which of the following factors would have the smallest impact on a population's size? c. the variety of organisms. User: Which of the following statements about population distribution is not true? a. Population distribution can be even, clumped, or random. b. Population distribution applies only to animals. c. A population distribution shows where organisms are located. d. A population distribution shows the arrangement of organisms in a location. Weegy: b. Population distribution applies only to animals is not true about population distribution. User: R-selected species have a short life span and an early reproduction cycle. true or false Weegy: True User: Which of the following is an example of an even population distribution? a. corn planted in a field b. flocks of birds c. people in a park d. deer in a forest Weegy: c. people in a park, is an example of an even population distribution (More)
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Asked 282 days ago|12/10/2013 5:41:43 AM
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