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3 years ago

3 ways humans have cut and frayed the woven tapestry of earths biodiversity

Biology

1 answer:

WITCHER [35]3 years ago

8 0

Three ways that humans have cut and frayed the woven tapestry of earths biodiversity:

1. Landscaping. By landscaping, living things such as trees are eliminated to make way for the construction of buildings. And thus, disrupting the ecosystem.

2. Adding cement to the ocean to increase the land surface area by excavating soil from the maintains.

3. Cutting of trees.

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Y_Kistochka [10]

the correct answer is Evaporation

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3 years ago

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Why should the general public be concerned about the survival of honeybees

Westkost [7]

Answer: honeybees are one of the most important pollinators in the world, we do have others but without bees many crops, and plants will die and that will result in animals dying.

Explanation:

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3 years ago

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masteringbio JFor each of the studies described below, indicate if it is hypothesis driven and whether the scientist is employin

juin [17]

Incomplete question. The remaining part of the question read;

Words in the left column:

Yes
No
Observational
Manipulative

1. A physiologist incubates eggs in the lab at a range of temperatures to see what temperatures produce males and what temperatures produce females.

2. A biologist predicts that shade might influence ground temperature, and therefore turtle sex ratios. He records the sex ratio of turtle hatchlings in shaded and unshaded regions

3. An ecologist predicts turtles grow larger when no predators are around. She places turtles in an experimental pond system where half the ponds have predators and half the ponds have had the predators removed.

4. A climatologist predicts that concentration of CO2 in a city will be negatively correlated with the amount of wind in that city. He collects data and looks at the amount of CO2 in a city as a function of the wind speed in the city.

5. A sociologist conducts a survey in Hawaii to describe people's attitudes about global climate change.

6. A scientist determines the average wind speed, and variation in the amount of wind, in a number of locations to see which locations would be most suitable for wind turbines

Answer/Explanation:

1. Hypothesis-driven? Yes!

Observational or Manipulative? Observational.

We can make this conclusion here that the physiologists' research is hypothesis-driven since we are told he wanted to "see what temperatures produce males and what temperatures produce females." In other words, he wanted to know whether the temperature used in incubators can influence the sex of an egg by means of observation.

2. Hypothesis-driven? Yes!

Observational or Manipulative? Observation.

3. Hypothesis-driven? Yes!

Observational or Manipulative? Manipulative.

We can make the conclusion that is the ecologist used the manipulative method in her research since she decided to place the turtles in two different types of ponds; one where half the ponds have predators while in the other the pond the predators have been removed. In other words, she manipulated the independent variables.

4. Hypothesis-driven? Yes!

Observational or Manipulative? Observational.

Note, the use of the word, "predicts" in most instances underscores the tone of hypothesis-driven research, hence we can say Yes! And remember, we are told the researcher "collects data", meaning he is merely observing differences that occur naturally.

5. Hypothesis-driven? No!

Observational or Manipulative? Observational.

6. Hypothesis-driven? No!

Observational or Manipulative? Observational.

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3 years ago

A food chain is represented below.

soldi70 [24.7K]

The answer is 4 chemical energy from the grass.
HAPPY NEW YEAR!

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3 years ago

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Blababa [14]

I’m pretty sure it’s B. Relative saying

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2 years ago