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stiv31 [10]
3 years ago
12

Explain the steps (5) that would need to take place for primary succession to occur.

Biology
1 answer:
BartSMP [9]3 years ago
5 0

Answer:

The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.

Explanation:

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What does veritable mean?<br> a. truthful <br> b. really<br> c. genuine<br> (please help)
Norma-Jean [14]

Answer:

It would be A. Truthful

Explanation:

The direct definition is used as an intensifier, often to qualify a metaphor. But if you look at the synonyms you can see a few such as, true · accurate · correct. Hope this helps :) 

5 0
3 years ago
A typical PCR program is listed below. Define what is happening to promote DNA in steps 2‐4 below amplification (i.e., what happ
saveliy_v [14]

In step 2: Denaturation of the double-strand occurs.

In step 3: Annealing of the primer to the single strands.

In step 4: Extension or elongation takes place in this step.

Explanation:

In the PCR program an enzyme Taq Polymerase is used because it can withstand high temperature without altering its functions.

PCR is required for the amplification of DNA into multiple copies for experimental purpose. The artificial environment is created to form new DNA molecules from the sample in question.

The first step in replication is the opening of the double helix which is done by temperature treatment in PCR. The temperature would be 90 degrees for some 30 sec to two minutes.

The next step of primer annealing would be done at 52 degrees, this is the primer melting temperature.

The elongation of the DNA strand to be synthesized will take place at 72 degrees as Taq Polymerase can withstand that temperature.

Nearly one million copies of DNA will be made after 30 cycles of PCR.

PCR products can be stored at 4 degrees for some two months.

3 0
3 years ago
Fossils are typically recovered within ___________ exposures.
exis [7]
Fossils are typically recovered within Sedimentary Rock exposures. This is because Sedimentary rock is the rock found closest to that of Earth, and is practically exposed 24/7 to all of Earth's natural disasters and what-not.
8 0
3 years ago
Read 2 more answers
Where is the prostate gland located and what is its function
kvasek [131]

Answer:

Prostate gland is a main organ of reproductive system in male. Its main function is to secretes liquid substances in order to maintain health of sperm.

Explanation:

Prostate gland is present between two main organs of reproductive system i. e. bladder and penis. Its size is small equal to the size of walnut. The main function of prostate gland is to secretes prostate liquid. This liquid is the main part of semen.

8 0
3 years ago
Read 2 more answers
Mike wanted to know if the weight of the chickens affected the number of eggs they laid each day. Which of the following graph a
Jlenok [28]

Answer:

The weight of chickens would be on the x-axis (horizontal) and number of eggs would be on the y-axis (vertical)

Explanation:

The number of eggs a chicken has is dependent on the weight of the chicken

5 0
3 years ago
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