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laiz [17]
3 years ago
11

Help meh plz

Biology
2 answers:
fiasKO [112]3 years ago
8 0

An increase in the available water in an ecosystem would increase the sustainability of an ecosystem.

An increase of human interference can negatively impact local flora and fauna populations.

A decrease in the amount of sunlight would negative impact plants.

A decrease in the number of available producers will negatively impact the entire food chain/food web.

givi [52]3 years ago
6 0

Answer:

An increase in the available water in an ecosystem.

Explanation:

An abiotic factor of an ecosystem is a non-living factor.

"A decrease in the number of available producers in the area. " Would be a biotic factor and would affect the environment for the worse. It would be the same with the second option too.

The third one is an abiotic factor but it would affect the environment for the worse.

The best answer would be the first option.

Hope this helps.

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The diaphragm adjusts the ____________ on a light microscope.
Anettt [7]

This probably won't help since this was a year ago but here it is:

The diaphragm adjusts the amount of light on a light microscope.



8 0
3 years ago
Dr. Franklin wants to assess the intelligence of 1,000 people ages 20, 30 and 40. If he does this as a cross-sectional study, he
Brilliant_brown [7]

Answer:

The given blank can be filled with cohort effect.

Explanation:

A cohort effect refers to the specific influence of a group bonded by common life experiences or time. Cohorts in an organization are generally illustrated by entry date and retain some common features like cohesiveness, size, and competition, which can influence the organization.  

A cohort refers to a group of individuals who shares common experiences or features like the region where they were born, their years of birth, and others. Cohort effects are a concern for the scientists working in the fields like epidemiology, sociology, and psychology.  

4 0
3 years ago
A lab technician took a fecal sample and did the following dilution.1. Transferred 0.1 ml from fecal sample to 9.9 ml saline in
Sindrei [870]

Answer:

Step 1. 1:100

Step 2. 1:1000

Step 3. 1:100,000

Explanation:

At first step, 0.1 ml is diluted in 9.9 ml of saline. Multiple both with 10 you will get 1 ml in 99 ml suggesting total dilution at first step as 1:100.

At second step, 1 ml of 100x dilution will be taken and further dissolved in the 9 ml of B3. Here, the dilution factor is further 10 times therefore the total dilution would be 1:1000.

At third step, 0.01 ml would be taken from 1000x dilution and further diluted in 9.99 ml. Therefore, the dilution factor here is 100 times. Hence the final dilution at this stage would be 1:100,000.

This is the simplest explanation I can give.

Hope it helps.

8 0
3 years ago
Which best describes what solar systems are comprised of? stars, planets, moons, asteroids, and comets galaxies universes planet
melomori [17]

Answer:

The correct answer is star,moon,planets,moons, astroid and comets galaxy universes planets,moon, comets and astroids.

Explanation:

The above answer is correct

3 0
3 years ago
Like chordates, all invertebrates have
Delicious77 [7]
Both chordates and invertebrates have pharyngeal pouches
5 0
3 years ago
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