304 Answered Questions for the topic ecology

Ecology Biology Botany

03/14/19

What are the general characters of pteridophytes?
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Ecology Biology Botany

03/13/19

Both gymnosperms and angiosperms bear seeds, then why are they classified separately?
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03/11/19

Which of the following statements is FALSE about explosive volcanic eruptions? Select all that apply. SELECT AN ANSWER
Which of the following statements is FALSE about explosive volcanic eruptions? Select all that apply.SELECT AN ANSWERThey are responsible for most volcano-related deaths.They occur when magma is... more
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03/09/19

In what way(s) is artificial selection different from natural selection?
a. with artificial selection there does not need to be heritable variation but with natural selection there does need to be heritable variationb. with artificial selection humans are the selective... more
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03/07/19

which is a good example of a shield volcano
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Ecology Writing Sociology

03/05/19

Human Behavior and the environment
Discuss 2-3 environmental issue that can impact children under the age of two in each of the developmental assessment categories of motor, play, adaptive, social and language
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Ecology Science

02/20/19

Which of these is a biotic factor of an ecosystem. (I put more in the Description box)
A:The temperature of water in the stream. B:The amount of water vapor present in a rain forest. C:the bacteria that live in the intestine of a rabbit. D:The rocks that provide cover for a... more
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10/11/18

Species Richness
What are the characteristics within and between species that influence species richness in the ecosystem Nambi Desert?
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Ecology

09/11/18

Why is species diversity important in an ecosystem?
 its asking why diversity is important in a ecosystem
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08/22/18

can genetic engineering be considered as biological control?
can genetic engineering be considered as biological control?
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10/22/17

Suppose that the caloric return rates from hunting among the Efe vary by the number of people who participate in the hunt.
The total average catch made by a hunting group varies by the hunting group size in the following way:   Group Size           Average Group Catch/Day       1                                40... more
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10/22/17

Betty worked with 42 women for 379 days. She found that together, they collected 3,235 kg of shellfish in a total of 886 person-hours of work.
Based on laboratory analysis, she determined that 22.6 kg of shellfish provide 3,670 calories. a) What is the caloric return rate one of these women earns from shell fishing (calories per... more
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Ecology Biology

05/15/17

Question regarding ecology
Consider the relationships shown in “Graphs.” Now imagine reproducing this experiment 300 kilometers south of Philadelphia. Predict how your X-values for each factor would differ.
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Ecology

10/21/16

Species with a type 1 survivorship curve
a. have higher mortality in the older age classes.b. are at a competitive disadvantage in a metapopulation.c. have a constant rate of mortality throughout their lifetime.d. have higher mortality in... more
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Ecology Biology

04/27/16

Which of the following is an induced defense
Which of the following is an induced defense     A.Bright coloration of poison dart frogs B.High-pitched alarm calls by a squirrel C.Background color matching by a chameleon D.Walking sticks... more
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04/27/16

Ecology help-competition, coevolution questions, and lotka-volterra:
Competitive release is most likely to occur when a: A.Species colonizes an island that already has potential competitors B.Species moves into new habitats that it never occupied on a mainland... more
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Ecology

04/18/16

Biotic factors include sunlight, soil, temperature, and water
Biotic factors include sunlight, soil, temperature, and water
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04/06/16

Is it possible get one singol value of the diversity indices both for aquatic and terrestrial fauna?
If I want to compare several sites, and some of them have both terrestrial and acquatic fauna, how can I get a single value of the indices for each cave?And what about when using different sampling... more
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04/04/16

If a species has a ? = .8, and has a current population size of 100, how many years will it take for the population size to drop below 50 individuals
If a species has a λ = .8, and has a current population size of 100, how many years will it take for the population size to drop below 50 individuals
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04/03/16

Population growth and logistic growth rates... ecology problem
A survey of a chicago wood duck population shows that, on average, 52 individuals are born each year, and 37 die. the current population size is 160.   a) Assuming this population is growing... more
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04/03/16

Population Growth Rate Problem: Researchers want to estimate the population size of Blanding’s turtle in Illinois
Researchers want to estimate the population size of Blanding’s turtle in Illinois. If they caught and marked 14 individuals on the first count, and 20 individuals on the second count, how many... more
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Ecology Biology Evolution

03/29/16

In an "ideal" world, organisms that are fine-tuned for reproduction would _______
Mature at birth Produce high-quality offspring continuously and in high numbers Live forever All of the above, taken together
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Ecology

09/25/15

Do you think your a product of gene evolution? do you have different genes than your ancestors had a 100 years ago ?
Do you think your a product of gene evolution? do you have different genes than your ancestors had a 100 years ago ?
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Ecology

06/09/15

i need an answer for below question asap pls.
The local government area of Foxhaven plans to allow recreational shooting into one of its threeNational Parks in five years time. The target animals for the shooters will be foxes.... more
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Ecology

12/18/14

compare soil fertility
compare soil fertility in temperature deciduous forests and tropical forests   A. which biome has very fertile soil? explain your answer.   B. which biome has soil that is not very fertile?... more
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