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ch4aika [34]
3 years ago
14

What group is the first species to arrive in ecological succession?

Biology
2 answers:
Flura [38]3 years ago
6 0

Answer:

B. Pioneer

Explanation:

The first species to arrive are fast-growing “weedy species,” such as lichens or small annual plants, which create the first layers of soil as they decompose.

raketka [301]3 years ago
5 0

Answer:

B. Pioneer

Explanation:

The pioneer group is the first species to arrive in ecological succession. Hence, option (B) is the correct answer.

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The extensions of the sarcolemma that carry the nerve impulses deep into the sarcoplasm are the?
MatroZZZ [7]

Answer:

T tubules

Explanation:

Transverse tubules (T tubules) are extensions of the sarcolemma that penetrate into the interior of the muscle transmitting electrical signals to the sarcoplasmic reticulum.

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2 years ago
What reactants are involved in photosynthesis? A. C2H4O2 and H2O and sunlight energy B. H2O and CO2 and chemical energy C. C2H4O
DerKrebs [107]

Answer:

D.

Explanation:

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5 0
3 years ago
A propagation flat with dimensions of 18"x8"x2" has the following volume
Lynna [10]

Explanation:

Volume = 18×8×2 =288 (units)³.

please put the unit as follows in the question.

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8 0
3 years ago
An ecologist observes that the diet of a bird species consists primarily of large grass seeds (as opposed to smaller grass seeds
omeli [17]

Lets understand the given passage.

An ecologist <u>observes that the diet of a bird species consists primarily of large grass seeds</u> (as opposed to smaller grass seeds or the seeds of other herbaceous plants found in the area).

<u>He hypothesizes that the birds are choosing the larger seeds because they have a higher concentrations of nitrogen than do other types of seeds at the site</u><u>.</u>

<u>To test the hypothesis, the ecologist compares the large grass seeds with the other types of seeds, and the results clearly show that the large grass seeds do indeed have a much higher concentration of nitrogen.</u>

No, he cannot conclude that the birds select the larger grass seeds because of their higher concentrations of nitrogen. The hypothesis testing done by the ecologist is incomplete as he failed to set up a control in the experiment. The control would have been the birds feeding on large seeds that lack or are low on nitrogen content. This will establish a relation between the bird's diet and the size of the seeds and the nitrogen content of the seeds. It could be true that birds do not care about the nitrogen content but simply prefer larger seed sizes.

Another problem associated with his field experiment is the failure in noting the beak sizes of the birds. The beak size and shape enable a bird to break and eat seeds. Larger beaks fail at breaking open smaller seeds. This observation would add bird beak size as another variable of the experiment.


4 0
3 years ago
What is the volume of a box that is 3 m long, 0.5 m high, and 2 m wide?
charle [14.2K]

Answer:

3 meters cubed

Explanation:

6 0
3 years ago
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