BIOLOGY HIGH SCHOOL

What dies survivor ship curve mean? What an easy way to remember what it means?

Answers

Answer 1
Answer: Survivorship curve = so, first of all, it's a curve, as in a graph.

It describes "survivorship" - the rate of survival, in other words: out of 100 organisms that are born, how many survive. This rate is different among species, for example, most humans live out to most of their life span, and almost all can survive well beyond a reproductive age.

However, in frogs for example, many many individuals are born, but only few can survive to adulthood: most die very young, before reproductive age.

So if you hear about a new species: let's say dogs, and you want to know how long they would live, you would look at their sirvivorship curve (and in some breeds of dogs, those that are likely not to be in shelters, but in homes, the survivorship curve would be similar as in humans: almost all individuals born can live long. 

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Replacing a nitrogen base with another is an example of what type of mutation?

Answers

Answer:

The answer is c substitution

What evidence suggests the continents were once all together but then drifted apart?

Answers

Answer: The evidences suggesting that the continents were once all together are as follows-

  1. Most of the edges or the boundaries of the continents perfectly matches with the nearby continents.
  2. Similar fossil assemblages has been found in different continents.
  3. Similar rocks have been found at different continents, and also similar age has been observed.
  4. Plate tectonic theory confirmed that all continents earlier were together.
Similar types of rocks in places, same species of animals with slight different evolutions to adapt to climate, the landmasses actually look like they fit together, etc..

Which would be an example of an abiotic part of the environment?A. temperature
B. trees
C. animals
D. plants

Answers

Answer:

A. temperature

Explanation:

Biotic and abiotic factors together constitute the environment.

  • Biotic factor is the living factor which means that it's a living organism like animals or trees.
  • Abiotic factors on the other hand are non living components of the environment like temperature, pH and humidity.

The interaction between biotic and abiotic factors effects the ecosystem. Both of these factors are important for an ecosystem to thrive.

Temperature is abiotic as it is not living :)

Which energy transfer is least likely to be found in nature ? A- consumer to consumer
B- producer to consumer
C-host to parasite
D- predator to prey

Answers

The energy transfer that is least likely to be found in nature is predator - prey. Details about energy transfer can be found below.

How is energy transferred in nature?

Energy is transferred in nature when organisms feed on one another.

For example;

  • Producers, which are the initiator of the energy transfer are fed upon by consumers

  • Consumers like herbivores are also fed on by other consumers like carnivores

  • Parasitic organisms feed and derive nourishment from their host

However, the transfer of energy does not occur in the direction of a predator to prey but occurs the other way around.

Learn more about energy transfer at: brainly.com/question/18649915

#SPJ2
which energy transfer is least likely to be found in nature ?

D- predator to prey

Why is carbon important

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It also plays a key role in shaping organic molecules. Carbon is very important to the chemistry of living things, mainly because of the versatility of structures it can form with itself and with other atoms

Explain how hypertension, heart disease, and stroke are related.

Answers

Hypertension, heart disease, and stoke are related because they all have to do with the heart. Hypertension is when you have high blood levels, heart disease is when your heart doesn't work properly, and stoke is when the heart beats hyperactively or the opposite.
Hypertension is another term for high blood pressure. This occurs when there is too much pressure put on the blood vessels. The heart gets affected because it is pumping against the pressure, which causes strain on the heart. This can cause thickening of the heart walls, which can lead to other heart problems.

Stroke occurs when there blood supply to the brain is reduced or obstructed. This deprives the brain of oxygen and other nutrients. The occurrence of stroke increases with blood pressure because there is persistent pressure on the vessels which can ultimately lead to stroke. 
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