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REY [17]
2 years ago
9

Which of the following ecosystems would likely have the largest net primary productivity per hectare and why?

Biology
1 answer:
lora16 [44]2 years ago
4 0

Answer:

i think its A

hope this helps

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Develop a hypothesis to explain why you think eurypterids developed legs even though they lived on the ocean floor.
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I think that since it lives on the ocean floor, at the deepest of the ocean. So anyway, the fin on the Eurypterids is still necessary but not that much, since they live on the ocean floor. Their movements mostly on the ocean floor. So fin would not help them "stick" to the floor. Also there are still gravity acts on the Eurypterids and the feet would help them move faster. Hope this helps.

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3 years ago
make a sketch of the double helix of dna. show how it unzips for replication and how complementary strands are built. label the
nevsk [136]
Its like 2 twizzlers twisted to the left with marshmellows attached.
3 0
3 years ago
Greenhouse climate on earth was associated with relatively high atmospheric levels of which gas?
STALIN [3.7K]
D.carbon dioxide gas
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3 years ago
The left and right cerebral hemispheres are connected by the group of answer choices fornix. septum. cerebral commissures. cereb
sineoko [7]

he left and right hemispheres are connected by the cerebral commissures. Thus, the correct option is C.

<h3>What is cerebral commissures?</h3>

Three tracts of nerve fibers or axons connect the right and left cerebral hemispheres, and these are referred to as commissures cerebral.

The corpus callosum, anterior commissure, and posterior commissure are three transverse nerve fiber bundles that connect homologous parts of each hemisphere.

The corpus callosum, also known as the great cerebral commissure, is the largest, connecting the majority of the cerebral hemispheres and allowing the cerebral cortex to function as a whole.

For more information regarding cerebral commissures, visit:

brainly.com/question/14239401

#SPJ1

6 0
2 years ago
Phosphofructokinase (PFK) is an enzyme that converts fructose 6-phosphate to fructose 1,6-bisphosphate, by adding a phosphate gr
erica [24]

Answer:

D. Allosteric activator

Explanation:

In an enzyme, the allosteric site is a site/motif different from the active site, (i.e., the site with catalytic activity) which is able to interact with regulatory effector molecules in order to activate or inhibit enzymatic activity by influencing the tridimensional (3D) structure of the enzyme. An allosteric activator is an effector molecule with the ability to bind to a specific enzyme at a different site than the active site, thereby modifying the shape of the enzyme and increasing the affinity of this enzyme for its substrate. Moreover, Adenosine monophosphate (AMP) is a nucleotide composed of a phosphate group, a sugar ribose, and an Adenine (A) base. This effector molecule (AMP) has shown to allosterically stimulate diverse enzymes in physiological conditions (e.g., AMP-activated protein kinase).

5 0
3 years ago
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