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Sliva [168]
3 years ago
6

The activation energy needed for a chemical reaction is decreased by a

Biology
1 answer:
Mars2501 [29]3 years ago
5 0
A catalyst decreases the activation energy and increases reaction rate that is needed.
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You observed many sand hill cranes on your walk. Two sand hill cranes flapped their wings and hopped up and down when you walked
Anarel [89]

Answer:

This question lacks options, the options are:

A) symbiosis

B) ecosystem

C) community

D) population

E) biosphere

The answer is D) Population

Explanation:

Living organisms in an ecosystem are usually found in numbers living together in a given area. This is termed POPULATION in ecology. A population refers to the group of living organisms that belongs to the same species living together in the same habitat and have the ability to interbreed i.e. mate and reproduce with one another.

This is the case in this question where many sandhill cranes (large flying birds) were observed in a particular area, which represented their habitat. Asides the group of sandhill cranes living together, they were also observed to be interbreeding. This was evident in the observation of two sandhill cranes hopping up and down around their bright orange baby. This shows that members of the population are capable of mating and reproducing fertile offsprings.

This observation completes what a POPULATION is all about, hence, a population was observed.

5 0
3 years ago
Prokaryotes divide by binary fission, a form of asexual reproduction in which
evablogger [386]

Prokaryotes divide by binary fission, a form of asexual reproduction in which a cell divides into two cells with identical genetic information.

Explanation:

Binary fission and mitosis can be viewed as the same principle of  asexual reproduction to give out two identical cells. However, the major difference between the two is that binary fission is to prokaryotes and mitosis is to eukaryotes. Remember that prokaryotes do not have a true nucleus (they have a nucleoid) hence binary fission does not involve the dividing of the nucleus. Mitosis does.

Sexual reproduction is responsible for creating variation in offspring especially due to the process of meiosis in gamete development and subsequent fertilization of two gametes from different parents.

Learn More:

For more on binary fission check out;

brainly.com/question/13807858

brainly.com/question/917537

#LearnWithBrainly

6 0
4 years ago
What is the ratio of C, H, and O on monosaccharides?
inna [77]
I believe the ratio of C to H to O in simple sugars or monosaccharides are 1 C : 2 H : 1 O or 1:2:1.
6 0
3 years ago
Why do warm air masses rise when they meet cold air masses?
VLD [36.1K]

A- they are less dense

6 0
3 years ago
Anemia includes a lack of WBC's
castortr0y [4]
False, anemia includes a lack of red blood cells (RBC’s)
4 0
3 years ago
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