Why are plants in the alpine biome typically low growing? a. They have limited access to nutrients. b. They have limited access to sunlight. c. They have too much access to water. d. The have access to nutrient-rich soil.

Answers

Answer 1

Answer: The answer is (a.) They have limited access to nutrients

In the alpime biome, plants are hardly to grow. The soil found in these areas are rocky and sandy causing the plants to have limited access to nutrients from the soil. Sunlight is very strong on these areas causing the soil to dry which is very challenge for the plants.

Answer 2

Answer:

It's a) limited access to nutrients

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Which of the following types of algae would have rigid cell walls composed of silica?a. parameciumb. euglenac. diatomsd. spyrogyra

In the cell cycle, cytokinesis occurs at the end of

Answers

Answer:

The answer is Telophase

Explanation:

Cytokinesis involves the physical separation of the cytoplasm into two daughter cells during cell division. In both mitosis and meiosis occur at the end of telophase, which is the reversal of the processes that took place during the prophase and promethaphase. That is, everything returns to the beginning and the process is repeated.

Cytokinesis occurs after Mitosis. Mitosis is the cell division into two identical nuclei, having the same number and type of chromosomes. Cytokinesis is the division of the cytoplasm that creates two daughter cells that are equal genetically and in size.

Which molecules of the adaptive defense system provide humoral immunity by circulating freely in the blood and lymph, where they bind to extracellular antigens and inactivate them and mark them for destruction? A) antibodies
B) complement
C) proteins
D) antigens
E) interferons

Answers

A) antibodies is the answer.

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A test performed to determine if harmful genes are present in a fetus is
called :
A-diagnostic genetic testing
B- amniocentesis
C- carrier genetic testing
D- preimplantation genetic testing

Answers

Aminocentesis is a test where a sample of amniotic fluid is extracted from the sack surrounding the foetus and tested to see if there are any signs of abnormality.

Weights (kg) of poplar trees were obtained from trees planted in a rich and moist region. The trees were given different treatments identified in the accompanying table. Use a 0.05 significance level to test the claim that the four treatment categories yield poplar trees with the same mean weight. Is there a treatment that appears to be most effective? E Click the icon to view the data table of the poplar weights. Determine the null and alternative hypotheses. Но H1

Answers

Answer:

Null hypothesis (H0): The four treatment categories yield poplar trees with the same mean weight.

Alternative hypothesis (H1): The four treatment categories yield poplar trees with a different mean weight.

Based on the data table, it appears that Treatment A yields the highest mean weight for the poplar trees. Therefore, Treatment A appears to be the most effective.

Add brainliest, if this is useful.

Final answer:

To test the claim that the four treatment categories yield poplar trees with the same mean weight, we will use a significance level of 0.05. The null hypothesis (H0) assumes that the treatment categories yield poplar trees with the same mean weight, while the alternative hypothesis (H1) assumes that at least one treatment category yields poplar trees with a different mean weight.

Explanation:

To test the claim that the four treatment categories yield poplar trees with the same mean weight, we will use a significance level of 0.05. This means that if the p-value is less than 0.05, we will reject the null hypothesis and conclude that there is evidence to support the claim that the treatment categories yield poplar trees with different mean weights. On the other hand, if the p-value is greater than or equal to 0.05, we will fail to reject the null hypothesis and conclude that there is not enough evidence to support the claim that the treatment categories yield poplar trees with different mean weights.

The null hypothesis (H0) assumes that the treatment categories yield poplar trees with the same mean weight. The alternative hypothesis (H1) assumes that at least one treatment category yields poplar trees with a different mean weight.

Learn more about testing the claim of equal mean weights of poplar trees with different treatments here:

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many scientists are concerned that the Ogallala aquifer in the united states is being depleted at an alarming rate ? what would most likely be a major effect on this aquifer running dry ?

Answers

This can cause other organisms that relay on this specific aquifer to find other sources of water or die.

An aquifer is actually an underground layer of water that contains permeable rocks, gravel, sand etc. the water can be brought to the surface by making a water well. Hydrogeology is the study of aquifers and the way of water flow in the aquifers. The depth of the aquifers differs from area to area and the aquifers that are closest to the surface are used for drinking and irrigation purposes.

Answer:

(A) Many crops would die because irrigation water would be limited

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What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

Answers

The correct answer for the question that is being presented above is this one: "B. Approximately 20 %" The fraction of the fossil fuel emissions in the United States that could be absorbed by converting 25% of agricultural land in the U.S. to native forests is 20%.

Here are the following choices:
A. approximately 10 %
B. Approximately 20 %
C. approximately 30 %
D. Approximately 40 %

approximately 20%

____________________________

*100% CORRECT ANSWERS

Question 1

The principal characteristic that differentiates temperate and tropical rainforests is __________.

latitude

Question 2

Which of the following are important products of rainforests?

all of the choices

Question 3

Which of the following best describes the use of rainforest plants as anticancer drugs?

Twenty-five percent of the active ingredients in cancer drugs are exclusively rainforest plants.

Question 4

Which of the following is the most direct method for combating rainforest deforestation?

rehabilitation

Question 5

The sustainable use of rainforest resources is exemplified by _______.

harvesting nuts

Question 6

Which of the following best describes the impact of rainforest deforestation on global precipitation?

The pattern of global precipitation is altered.

Question 7

A forester is _______

a person who manages and supervises land used for timber production

Question 8

Which of the following is a technology used by foresters?

all of the choices

Question 9

Even-aged management practices involves clearing trees that _______.

are all near the same age

Question 10

Which of the following forest management practices is best for reestablishing areas of forest?

reforestation

Question 11

How do trees act as carbon sinks?

all of the choices

Question 12

How does the destruction of forests contribute to levels of atmospheric carbon?

Fewer trees leads to smaller amounts of carbon dioxide being absorbed from the atmosphere.

Question 13

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

approximately 20%

Question 14

Why is clearcutting an especially damaging forestry practice for species that rely upon older trees for their survival?

Clearcutting removes all trees in a stand, old and young.

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