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charle [14.2K]
3 years ago
13

What is a pioneer species? (Will give brainiest)

Biology
1 answer:
inna [77]3 years ago
8 0

Answer:

The first species to colonize an ecosystem that is previously damaged or disrupted. Supplement. Pioneer species is the first to colonize an ecosystem previously disturbed or damaged. For example, sand that has become barren is colonized by a pioneer species of lyme grass (Leymus arenarius)

Explanation:

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In a dihybrid cross involving two autosomal traits on different chromosomes in which the parents are purebred for the opposite f
Simora [160]

Answer:

The question lacks options, the options are:

A) 1 out of 16

B) 3 out of 16

C) 6 out of 16

D) 9 out of 16

The answer is 1 out of 16

Explanation:

This is a DIHYBRID cross because it involves two different genes coding for distinct traits. One of the traits will be dominant while the other recessive. Hence, parents that are purebred for opposite forms of the trait means that one parent is homozygous dominant while the other is homozygous recessive. When these two parents cross, they produce F1 offsprings that all possess the dominant trait but heterozygous/hybrids.

When these hybrids are self-crossed, they produce four different combinations of gametes which when crossed using a punnet square will result in F2 offsprings with a 9:3:3:1 phenotypic ratio according to Mendel's observation.

9 represents offsprings that are dominant for both traits

The two 3's represents offsprings that are recessive for one trait and dominant for the other respectively.

1 represents offsprings that are homozygous recessive for both traits.

Hence, 1 out of 16 offsprings will be homozygous recessive for both traits.

4 0
3 years ago
ASAP 30 points! What are the 6 planetary patterns (don’t copy and paste from internet!)
Savatey [412]

Answer:

The personal planets are the Sun, Moon, Mercury, Venus and Mars. The social or transpersonal planets are Jupiter and Saturn.

Explanation:

6 0
3 years ago
Which energy conversion takes place when a solar cell is used to light a street lamp?
statuscvo [17]
Choice B is correct.
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But if the lamp they are talking about doesn't have wire the choose C.
But I am certain it is B
7 0
3 years ago
Read 2 more answers
) in epithelial tissue, the portion of the plasma membrane facing the lumen is called the ________ membrane. the portion of the
poizon [28]

Hello there

the answer is tight junctions

thank you

Best Regards Queen Z

8 0
4 years ago
What is Photosynthesis' product and reactant??
Lelechka [254]
Reactant carbon dioxide and water
Product glucose and oxygen

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4 years ago
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