An ecosystem is: A. All members of a species that live in a geographic area B....
An ecosystem is:
A. All members of a species that live in a geographic area
B. All species that potentially interact with one another in a given geographic area
C. All species and their nonliving environment (sunlight, soil, chemical nutrients) in a given geographic area
D. All life and all of the non-living environment on the entire planet Earth.
Homework Answers
Ans- C. All species and their non-living environment (sunlight, soil, chemical nutrients) in a given geographic area.
Ecosystem- the living and non-living parts of the environment in a specific geographic area, interacting as a system.
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An ecosystem is:
A. All members of a species that live in a geographic area
B....
Complete the following statements about how organisms Interact with their environment abiotic Within an ecosystem, populations...
Complete the following statements about how organisms Interact with their environment abiotic Within an ecosystem, populations interact among themselves and with the physical environment. detritivores The Heterotrophs components of the ecosystem are the nonliving things, which include the atmosphere and soil biotic The living components of an ecosystem are categorized based upon chemiosmotic inorganic substances and an also called producers, require only external energy source to produce food, inorganic nutrients Producers include photosynthetic plants and bacteria, which provide nutrients for...
D) phylum, kingdom, order, class, species, family, and genus. E) phylum, family, class, order, kingdom, genus,...
D) phylum, kingdom, order, class, species, family, and genus. E) phylum, family, class, order, kingdom, genus, and species. 9) Ecology is best defined as the study of A. populations. B. the rate of population changes. C. communities. D. how populations are restricted by environmental resistance. organisms as they interact with other organisms and with their physical surroundings. 10) An ecosystem contains A. only the biotic (living) components of the environment. B. only the abiotic (nonliving) components of the environment. C....
Which of the following features is NOT a typical characteristic of a degraded ecosystem? a. dominance...
Which of the following features is NOT a typical characteristic of a degraded ecosystem? a. dominance by small, short-lived species b. simplicity in structure and function c. low rates of productivity d. rapid rate of decomposition Which of the following is a key characteristic of chemicals that bioconcentrate? a. highly abundant in the ambient environment b. organochlorines c. of low molecular weight d.fat soluble Which of the following characteristics is fundamental to a resilient ecosystem? a. the ability to return...
Attempts Which of the following is an example of a biological factor that can affect community...
Attempts Which of the following is an example of a biological factor that can affect community structure? The high temperatures of desert regions limit which species can live there. Tropical regions support a high species diversity by receiving the most sunlight energy An insect herbivore inhibits the population growth of a tree species. A plant species can live only in regions with a suitable level of rainfall select answer in select answer members of one species actively prevent members Competition...
A community... Ohas distinguishing physical and chemicall features Orepresents all species living in a habitat O...
A community... Ohas distinguishing physical and chemicall features Orepresents all species living in a habitat O is where individuals of a single species normally live Oall of the above Question 7 Another name for opportunistic colonizers of new or newly vacated habitats with high dispersal rates, that grow quickly, reproduce many offspring, and are seen first in primary succession are called Question 8 1p Both and are used for biological controls. 'A'spends all or part of its life living in...
Please answer all the questions not partly Q. 1 The number of species on the planet...
Please answer all the questions not partly Q. 1 The number of species on the planet could be estimated by: Question 1 options choose one contrasting the background extinction rate to the modern extinction rate counting the number of dispersal and vicariance events comparing speciation rates to extinction rates considering the mutation rate and extent of genetic drift Q 2 All of the following are likely to cause mass extinction EXCEPT: Question 2 options:choose one many volcanoes erupt over a...
please help Question 23 (1 point) Which observation is NOT explained by the intermediate disturbance hypothesis...
please help
Question 23 (1 point) Which observation is NOT explained by the intermediate disturbance hypothesis In the interior of an old forest a low number of K-type species dominate the community Species evenness is larger when disturbances are extremely frequent Species richness increases immediately after a disturbance such as a fire, but may decrease later In beach dune environments, a low number of r-type species dominate the community Question 24 (1 point) Some birds follow moving swarms of army...
31. Which of the following is NOT an anti-predator defense mechanism? A. Plant chemicals, including coffee...
31. Which of the following is NOT an anti-predator defense mechanism? A. Plant chemicals, including coffee and tea caffeine, make caterpillars sick or jittery. B. The large eyespots on a moth's wing are exposed abruptly to startle a hungry bird. C. Many trees, vines, and shrubs have stems lines with long thorns. D. Many plants have brightly colored fruit and flowers. 32. An intimate relationship between two different species is called A. competition. B. a community. C. an ecosystem.D. symbiosis....
6-12. Which of the following interactions is represented by each of the following phenomena a. competition...
6-12. Which of the following interactions is represented by each of the following phenomena a. competition c. commensalism e. predation ab. amensalism b. parasitism d. mutualismm The same choice may be used more than once. If you choose ab, fill in both a. and b.for that qu 6. ten plants in a small pot 7. orchid (non-parasitic) growing on a branch 8. lion eating a human 9. bee pollinating an orchid flower 10. dead branch falling on your head 11....
diagram indicate the a. return of chemical substances to the environment b. order of importance of...
diagram indicate the a. return of chemical substances to the environment b. order of importance of the various organisms c. direction in which organisms move in the environment d. the flow of energy from heterotrophs to autotrophs e. direction of energy flow through a series of organisms 17. The diagram represents a food chain. The arrows in the serious threat to many forested areas. Which would probably be the most ecologically sound method of gypsy moth control? a. increased application...
Complete the following statements about how organisms Interact with their environment abiotic Within an ecosystem, populations interact among themselves and with the physical environment. detritivores The Heterotrophs components of the ecosystem are the nonliving things, which include the atmosphere and soil biotic The living components of an ecosystem are categorized based upon chemiosmotic inorganic substances and an also called producers, require only external energy source to produce food, inorganic nutrients Producers include photosynthetic plants and bacteria, which provide nutrients for...
D) phylum, kingdom, order, class, species, family, and genus. E) phylum, family, class, order, kingdom, genus, and species. 9) Ecology is best defined as the study of A. populations. B. the rate of population changes. C. communities. D. how populations are restricted by environmental resistance. organisms as they interact with other organisms and with their physical surroundings. 10) An ecosystem contains A. only the biotic (living) components of the environment. B. only the abiotic (nonliving) components of the environment. C....
Attempts Which of the following is an example of a biological factor that can affect community structure? The high temperatures of desert regions limit which species can live there. Tropical regions support a high species diversity by receiving the most sunlight energy An insect herbivore inhibits the population growth of a tree species. A plant species can live only in regions with a suitable level of rainfall select answer in select answer members of one species actively prevent members Competition...
A community... Ohas distinguishing physical and chemicall features Orepresents all species living in a habitat O is where individuals of a single species normally live Oall of the above Question 7 Another name for opportunistic colonizers of new or newly vacated habitats with high dispersal rates, that grow quickly, reproduce many offspring, and are seen first in primary succession are called Question 8 1p Both and are used for biological controls. 'A'spends all or part of its life living in...
please help
Question 23 (1 point) Which observation is NOT explained by the intermediate disturbance hypothesis In the interior of an old forest a low number of K-type species dominate the community Species evenness is larger when disturbances are extremely frequent Species richness increases immediately after a disturbance such as a fire, but may decrease later In beach dune environments, a low number of r-type species dominate the community Question 24 (1 point) Some birds follow moving swarms of army...
6-12. Which of the following interactions is represented by each of the following phenomena a. competition c. commensalism e. predation ab. amensalism b. parasitism d. mutualismm The same choice may be used more than once. If you choose ab, fill in both a. and b.for that qu 6. ten plants in a small pot 7. orchid (non-parasitic) growing on a branch 8. lion eating a human 9. bee pollinating an orchid flower 10. dead branch falling on your head 11....
diagram indicate the a. return of chemical substances to the environment b. order of importance of the various organisms c. direction in which organisms move in the environment d. the flow of energy from heterotrophs to autotrophs e. direction of energy flow through a series of organisms 17. The diagram represents a food chain. The arrows in the serious threat to many forested areas. Which would probably be the most ecologically sound method of gypsy moth control? a. increased application...
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