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Ksju [112]
3 years ago
7

Really need help plz

Biology
1 answer:
katrin [286]3 years ago
6 0
Such a miniscule amount of light penetrates beyond a depth of 200 meters<span> that photosynthesis is no longer possible. </span>
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What all body systems are affected by osteoporosis? (Osteoporosis is the thinning of your bones which leaves them weak and susce
skad [1K]

Osteoporosis affects all bones in the body. However, breaks are most common in the hip, wrist, and spine, also called vertebrae.


6 0
3 years ago
What was the first county to successfully launch a satellite and place it in an earth orbit?
Lena [83]

Answer:

Russia

Explanation:

7 0
3 years ago
In genetics, the dash symbol (–) is a "wild card" that stands for either the dominant allele or the recessive allele; for exampl
bearhunter [10]

Answer:

1/16 are ovoid

Explanation:

Hello!

From an AaBb genotype we can obtain four possible gametes AB, Ab, aB and ab.  With the Punnett square we can observe the crossing.  In the second Punnett square we can see the form A– B–

AB          Ab           aB          ab

AB AABB AABb AaBB AaBb

Ab AABb AAbb AaBb Aabb

aB AaBB AaBb aaBB aaBb

ab AaBb Aabb aaBb aabb

AB          Ab          aB          ab

AB A-B-  A-B-  A-B-  A-B-

Ab A-B-  A-bb A-B-        A-bb

aB A-B-  A-B-  aaB- aaB-

ab A-B-  A-bb aaB- aabb

The genotypes of the form A– B–, A– bb and aa B– have triangular seed capsules (15 of 16), while the seed capsules of the aa bb genotypes are ovoid (1 of 16).

Successes with your homework!

3 0
3 years ago
Which two important things do many economics systems not considered to have value?
Alexxandr [17]
"A. Natural resources and human labour". I agree.
6 0
3 years ago
Read 2 more answers
C4 plants occur more commonly in desert conditions because _____. a. they can fix carbon at the lower CO2 concentrations that de
ahrayia [7]

Answer:

a. they can fix carbon at the lower CO2 concentrations that develop when the stomata are closed

Explanation:

C4 plants are those that have the capacity to fix CO2 even when a tiny concentration of it is available.

Desert condition is characterized by dryness and strong heat with both condition capable of creating water stress in plant as a result of evapotranspiration. In order to reduce evapotranspiration rate, desert plants (most C4 plants) close their stomata during the day.

<em>Stomata closure limit the diffusion of CO2 into desert plants and the small concentration of CO2 that results is utilized by a special enzyme in the plants.</em>

The correct option is a.

6 0
3 years ago
Read 2 more answers
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