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stira [4]
4 years ago
10

A receding glacier leaves behind rocky, barren land. How would life begin on this land?

Biology
1 answer:
butalik [34]4 years ago
4 0
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period.
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n camellia plants, flower color is controlled by a single gene with codominant alleles. A camellia plants with red flowers (RR)
Daniel [21]

Answer:

The phenotypes of the offsprings wil be pink.

Explanation:

  • It is stated that the alleles of the gene are co-dominant.
  • Co-dominant alleles express alongside each other.
  • They do not mask the effect of each other.
  • Thus, when Camellia plants with red flowers (RR) are crossed with Camellia plants with white flowers (WW).
  • We get flowers with pink phenotypes, as pink is the colour that comes midway of red to white.
  • The genotypes of the plant will be RW.

7 0
4 years ago
A scientific theory states that the universe is expanding. Which of these statements is correct about this theory?
Yakvenalex [24]
The answer would be : <span>It is a well supported explanation which cannot become a law.

A law and a theory are different you know. In fact, the law is universel. This applies for everything unlike a theory which explains in particular why something is happening.

Any doubts ?

Hope this helps !

Photon
</span>
6 0
3 years ago
The three general requirements for resisting disease are:
ratelena [41]

Answer: eating foods that will give you the proper nutrition

exercising

getting plenty of rest

Explanation:

7 0
3 years ago
When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?
Mariana [72]

B

Keep in mind that total energy in the beginning and after work remains the same according o thermodynamics theory that energy can't be created or destroyed.

Explanation:

Conversion of energy from one form to another is not 100% efficient. Even the transfer of energy from one object to another (work) is not 100% efficient. This also applies to cells. The inefficiencies are lost as heat energy. Examples of such work in the cells include active transport by cell membrane protein channels, metabolic pathways, and etcetera. Some energy in the hydrolysis of ATP to power these biochemical activities is lost as heat which is part of the reason we remain warm. This energy ends up being lost into the environment as heat (e.g even from sweating).

Learn More:

For more on Laws of Thermodynamics check out;

brainly.com/question/5685120

brainly.com/question/7691260

#LearnWithBrainly

7 0
3 years ago
A spindle fiber is a specialized form of
Norma-Jean [14]
<span>A spindle fiber is a specialized form of microtubule </span><span><span>
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8 0
3 years ago
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