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quester [9]
2 years ago
11

If the biomass of flowers that support the butterflies the same grassy meadow was known to contain 100,000 units of energy, and

certain bird species were eating the butterflies that foraged on the flowers, what amount of energy, on average, could be expected to be transferred to the birds?
Biology
1 answer:
kozerog [31]2 years ago
5 0

Answer: 1,000

Explanation:

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The stepwise leveling of slopes for farming is called __________.
Nookie1986 [14]

Answer:

A)

terrace farming

Explanation:

5 0
2 years ago
A group of scientists studying vegetation in a mountain range observe that a certain flowering plant grows taller at lower eleva
UkoKoshka [18]

      Well, first of all, the question asks us to to list three different factors that could lead to this variation.

       The first one is pressure, so, what happens is that, when the pressure changes with the height change, these plants develop in different ways. The second one is the oxygen, as we know, oxygen in higher elevations is less than in ocean elevation for example, so this can be a reason for this variation. The last one is the quantity of organic material on the soil, this can influence directly on the development of this population.

        With that said, we need to write a hypothesis for one of these factors, let's choose the organic material because it's easier and cheaper to test. For that, the hypothesis is that, with less organic material available on the ground, the plant will grow smaller than on a normal soil. To test that, we need to grab samples of this flowering plant and put it at the same conditions as on the mountain, that is a possibility on a good lab, so after that, we'll change the quantity of organic material on some samples, to check if my hypothesis is right or not.

        The positive results are that this is the reason why the plants grow smaller, so, with less organic material, the plants won't develop in the same way as it would happen with enough organic material. The negative results are that this is not the reason why these variations exist, so we need to test another factor to check why this variation is happening.

8 0
2 years ago
Describe the immediate effect of the neurotoxin on the number of action potentials in a postsynaptic neuron. Predict whether the
nikdorinn [45]

Answer:

Inhibit control over ions.

Explanation:

The immediate effect of the neurotoxin on the postsynaptic neuron is to inhibit control over ion concentrations across the cell membrane. The neurotoxin blocks nervous transmission at synapses which prevents the vesicles containing the neurotransmitter from fusing with the presynaptic membrane so the information does not transfer from one neuron to another and as a result the body is present at constant relaxation mode. The membrane potential of postsynaptic neuron will decrease due to neurotoxin.

3 0
1 year ago
Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate,
zhenek [66]
I believe in the presence of oxygen, an increase in the amount of ATP in a cell would be expected to inhibit the enzyme and therefore, slow the rates of glycolysis and the citric acid cycle. Phosphofructokinase is and enzyme that phosphorylates fructose 6 phosphate in glycolysis. It is an important control enzyme in the regulation of cellular respiration. It is inhibited by ATP and is an allosteric enzyme. 
3 0
2 years ago
The brain stem consists of the ________. The brain stem consists of the ________. cerebrum, pons, midbrain, and medulla midbrain
skelet666 [1.2K]

Answer:

midbrain, medulla, and pons

Explanation:

The brainstem (also known as truncus encephali) is localized in the posterior part of the brain, in the base between cerebral hemispheres and the cervical cord. <em>It's divided into three parts, the midbrain or mesencephalon, the pons or mesencephalon, and the medulla oblongata also known as long medulla or myelencephalon.</em> <em>In the image I added you can see the brainstem structure.</em>

Some of the brainstem functions include the regulation of respiratory and cardiac function, thermoregulation, and other functions related to vision, sleep, etc.

I hope you find this information useful and interesting! Good luck!

3 0
2 years ago
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