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Tcecarenko [31]
3 years ago
7

Where are primary consumers found?

Biology
2 answers:
Greeley [361]3 years ago
4 0

Answer:

Primary consumers exist in all biomes and fill a wide variety of niches. They can range from microscopic organisms such as zooplankton to animals as big as elephants.

Explanation:

SVETLANKA909090 [29]3 years ago
4 0

Answer:

Primary consumers exist in all biomes and fill a wide variety of niches. They can range from microscopic organisms such as zooplankton to animals as big as elephants.

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From the following, choose the factors that may produce or increase the risk of mutations.
mel-nik [20]

Answer:

High Temperature, X-rays, Radiation, Some Chemicals

Explanation:

In general, mutations happen due to some error in the DNA duplication process, however, there are certain factors in the environment that can increase the incidence rate of these genetic errors. Excessive exposure to x-rays, substances present in smoke, ultraviolet light, excessive temperature, nitrous acid and some dyes present in food, for example, can favor the appearance of mutations. In general, we can say that mutations can be caused by high temperature, X-rays, radiation, some chemicals.

8 0
2 years ago
Tonsils aid in _____ development. This is why their removal is less popular now in teenaged patients
tresset_1 [31]

Answer: relieving tonsilitis by Reducing the size of the tonsils thus converting enlarged, unhealthy tonsils to healthy ones.

Explanation:

Tonsils are your first line of defense against illness. They produce white blood cells to help your body fight infection. The tonsils combat bacteria and viruses that enter your body through your mouth. However, tonsils are also vulnerable to infection from these invaders.

6 0
3 years ago
Evolutionary theory contends that genetic ___________ is necessary and beneficial for humanity when there is an environmental ch
Anni [7]

Answer:

variation

Explanation:

Genetic variation is what makes us all unique as a result of subtle changes in our DNA.  The Theory of Evolution is a process in which organisms change over time as a result of adapting to their environment.  Charles Darwin came up with the term Survival of the fittest, in any environment plants and animals from the same species show natural variation in their physical characteristics, like neck lengths in giraffes.  Darwin suggested that the plants and animals best suited to the environment will survive and pass on their characteristics to their offspring. Over time, the characteristics of the surviving members of the species will become predominant.

Example: Peppered moth

In London in the 1800's, 98% of peppered moths had light colored bodies and only 2% were dark.  The light moths were the same color as the trees so they could easily hide from hungry birds and not get eaten.  The dark moths however were easy to see and were eaten.  Then came the factories and smoke of the industrial evolution and many trees turned black with soot and suddenly the dark moths were able to survive better as they now looked like the trees and the light colored moths were easier to spot and eat.  By 1895 the dark peppered moths made up 95% of the population and the light colored moths only 5%.  This is an example of natural selection, because of the gene that makes the moths dark, it allowed them to flourish when the environment changed, they adapted, reproduced and survived.

8 0
3 years ago
What do all vertebrates and invertebrates have in common?
lara [203]
They actuallty both some type of animal in it ,
6 0
3 years ago
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How to solve problems of Transportation by using science​
Anna007 [38]
The best way to solve a transportation problem, is to give the following information:

m= The number of sources.

n= The number of destinations.

The total quantity available at each source.

The total quantity required at each destination.

The cost of transportation of one unit of the commodity from each source to each destination.
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2 years ago
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