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jolli1 [7]
3 years ago
8

Which of the following is a measure of the biodiversity of an ecosystem?

Biology
1 answer:
SSSSS [86.1K]3 years ago
6 0

Answer:

C

Explanation:

Biodiversity is the difference and variation in a given area

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Please help meeeeee i will mark u
Inessa05 [86]
Im pretty sure its C
7 0
3 years ago
Hostility is related to coronary heart disease and may contribute to premature death.
erik [133]

Answer:

True

Explanation:

Hostility can be explained in clear terms as a form of emotion portrayed in an aggressive manner, which is unfriendly and an arousal of anger from within as a result of denial or rejection.

Coronary heart disease occurs when major blood vessels that supply blood,oxygen,and nutrients  to the heat becomes damaged. It major cause are inflammation or cholesterol deposits in the arteries that supply all these nutrients, oxygen and  blood to the heart. This causes coronary arteries to narrow, limiting blood flow to the heart.  It is said that some slight modifications to care for coronary heart disease  include a better lifestyle changes,socialization etc, but when an individual susceptible to coronary heart diseases is hostile, it endanger the effect of such individual more to chronic effects.

Hostility levels is also related as  a better predictor of coronary heart disease risk than factors such as high cholesterol, high blood pressure etc. This is because more heart attacks are attributed to anger than high cholesterol.

7 0
3 years ago
Which of the following would NOT diffuse through the plasma membrane by means of simple diffusion?
yanalaym [24]
Glucose

Glucose, a small polar solute, uses a membrane transporter (a protein carrier) to cross the plasma membrane via facilitated diffusion. In simple diffusion, small nonpolar and lipid-soluble substances (including gases) diffuse directly through the lipid bilayer.
8 0
3 years ago
HELP ASAP PLEASE
egoroff_w [7]

Answer:

Car battery is the answer

6 0
3 years ago
Cichlids, a type of fish, were introduced to a lake around 200 years ago. Over the years, the fish have developed into two disti
alina1380 [7]

Answer:

sympatric speciation

Explanation:  

Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.

The steps for sympatric speciation are:

  1. An ancestral species inhabit a geographic area.
  2. With time, different populations of the same species occupy different niches or microhabitats in this general area.
  3. As the microhabitats are different, they have different environmental pressures that are acting on each population.
  4. These pressures lead to the origin of differences between groups, which need to adapt to each environment
  5. Each population suffers genetic changes due to environmental conditions. These changes are inheritable.
  6. With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.

In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. <em>Speciation occurs in the same distribution area of the original species</em>. The new species originate in a place with no physical barriers but different environmental pressures.

In the exposed example,

  • <em>The introduced Cichlid fishes 200 years ago</em> → Original species and the common ancestor between the new derivated species
  • <em>The lake</em> → general geographic area
  • <em>The main lake and the streams</em> → Microhabitats or niches with different pressures each
  • <em>The groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups.</em> → Speciation process.
7 0
3 years ago
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