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grin007 [14]
3 years ago
5

The lowest trophic level in an ecosystem____. 1) has the lowest quantity of stored energy 2) has the greatest biomass 3) is made

up of heterotrophs 4) contains detritovores
Biology
1 answer:
DochEvi [55]3 years ago
4 0
In describing the energy transfer of trophic levels, energy is lost as we move up from a lower level to a higher level. This is because energy is used when for example a primary consumer does body processes before it is eaten by another consumer.  hence the lowest trophic level belongs to those which <span>2) has the greatest biomass</span>
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The blood passes through our body in a sytem called the circulatory system. We have a double circulatory system. Why is it calle
Svetlanka [38]

Answer:

We call it

Double circulation bcoz their are 3 circulation exist between heart, lungs and body organs.

EXPLANATION :

Flow of blood is left to right

1. Pulmonary circulation

<em>Right</em><em> </em><em>ventricle</em><em> </em><em>-</em><em>pulmonary</em><em> </em><em>artry</em><em> </em><em>-</em><em> </em><em>lungs</em><em> </em><em>-</em><em> </em><em>pulmonary</em><em> </em><em>veins</em><em> </em><em>-</em><em> </em><em>left</em><em> </em><em>artria</em><em> </em>

2. Systemic circulation

Left ventricle - systemic artry - body organs - systemic veins- right artria

7 0
3 years ago
List and briefly describe the natural processes that are part of the carbon-oxygen cycle.
sesenic [268]
The blood located in the heart’s left ventricle, which is rich in oxygen, travels through the aorta artery to the whole body, where the blood (coming from the arteries) gives oxygen and “food” to the capillaries and receives carbon dioxide and waste, which then (throughly the veins) travels back to the heart’s right atrium. Then, it goes from the heart’s right ventricle to the lungs, where it “gives” carbon dioxide and waste and receives oxygen, which then returns to the heart’s left atrium.
8 0
3 years ago
A set of full-sibling juvenile wolf spiders was divided into two groups. One set was reared in low-temperature conditions, while
Alborosie

Answer:

e. Genes and the environment affect antipredator behavior

Explanation:

Based on the data that was derived from the study we can conclude that Genes and the environment affect antipredator behavior. This is because regardless of the difference in the environment they were reared in both groups fled from the predator which is a genetic trait that has been passed down from generation. Yet, the group reared in low-temperature conditions fled sooner than those reared in high-temperature conditions meaning that the environment has affected the survival and antipredator behavior of the spiders.

5 0
3 years ago
In each generation, the wings of experimental fruit flies were clipped short for fifty generations. The fifty-first generation w
Rufina [12.5K]

N an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on

a. inheritance of natural variations

b. inheritance of acquired characteristics

c. natural selection

d. survival of the fittest

Inheritance of acquired characteristics. Thus, option "B" is correct.

<h3 /><h3>What is inheritance of acquired characteristics?</h3>

For fifty generations wings of fruit flies were clipped. Hence they acquired this trait in their lifetime and not genetically. If acquired characteristics were capable of passing on to next generation, 50 generations would have been enough to inculcate this clipped wing trait in fruit flies. Despite it, the fifty-first generation did not have clipped wings.

Hence evolution can not occur without genetic variation. A character simply acquired in a lifetime does not create a difference in germ cells and hence is not enough to be passed on to next generation or cause evolution

To learn more about genetic variation click here:

brainly.com/question/848479

#SPJ1

3 0
2 years ago
Organ systems of the human body interact to maintain a balanced internal environment. As blood flows through certain organs of t
Ksivusya [100]

The organ system interacts with each other to maintain the normal functioning of the body. The composition of blood changes due to this interaction. The change is the blood going out from the lungs is deoxygenated and the one coming to the lungs is oxygenated.

<h3>What is the interaction of the respiratory and circulatory systems?</h3>

The respiratory system involves inhalation of oxygen and using this to release energy and exhalation of carbon dioxide.

The circulatory system is comprised of the heart and blood vessels. The heart pumps blood to different body organs through these blood vessels.

The transfer of oxygen is done with the help of blood. During this transfer, the composition of blood changes from being oxygenated means having oxygen to deoxygenated means having carbon dioxide.

Thus, in this way, the interaction changes the composition of blood.

For more details regarding blood, visit:

brainly.com/question/14781793

#SPJ1

6 0
2 years ago
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