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dexar [7]
2 years ago
6

What is an ecosystem engineer?

Biology
1 answer:
AysviL [449]2 years ago
7 0

Answer:

Ecosystem engineers are species that modify their environment in a significant manner, creating new habitats or modifying existing ones to suit their needs.

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What purpose is served by the loss of an -H and -OH end from two molecules as they join together during dehydration synthesis
makkiz [27]

The loss of the hydrogen on one molecule produces a negative charge, which is attracted to the positive charge formed by the loss of the hydroxy group from the other molecule.

4 0
3 years ago
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Enzymes have which of the following characteristics?
Lynna [10]

Answer: They are proteins, They can bind with substrate, and They act as catalysts.

Explanation:

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Two groups of tomatoes were grown under laboratory conditions, one with humus added to the soil (Group 1) and the other a contro
charle [14.2K]

Answer:

the humus contains the minerals necessary for chlorophyll synthesis

Explanation:

<em>The yellowness of leaves in plants can be attributed to inadequate chlorophyll in the plant</em>. The chlorophyll is responsible for the greenness appearance of the leaves of plants and when it is present in inadequate quantity, the leaves appear yellowish in color.

<u>Some of the minerals necessary for the formation of chlorophyll include magnesium, nitrogen, and iron</u>. It thus means that the humus supplied to the soil of group 1 plant has the necessary minerals to synthesize chlorophyll while the soil of group 2 plants is deficient in some or all the minerals required for chlorophyll synthesis.

8 0
3 years ago
Which marine ecosystem has the fewest available nutrients and the lowest productivity?
tigry1 [53]
The correct answer is : Open Ocean

Since the open ocean is really far from the land soil, the water consist almost no nutrients . And since it's really far away from the coast, there's almost no productivity around here ( almost no human is brave enough to go to the open ocean)
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Name two threats to biodiversity:
Stella [2.4K]
I really hope this helps!


The main dangers worldwide are population growth and resource consumption, climate change and global warming, habitat conversion and urbanisation, invasive alien species, over-exploitation of natural resources and environmental degradation.
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