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tekilochka [14]
3 years ago
7

"the biggest concern with biological pollutants is that they often ____________."

Biology
1 answer:
andriy [413]3 years ago
4 0
Lack predators and other natural controls
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Pea flowers may be purple (P) or white (p). Pea seeds may be round (R) or wrinkled (r). What proportion of the offspring from a
soldi70 [24.7K]

Answer:

The correct answer is c. 3/16.

Explanation:

In the given question two traits being studied, the traits are flower color and seed shape.

This is a typical Mendel’s dihybrid cross. According to the question purple colour (P) and round seed (R) are dominant traits.

When heterozygous purple-flowered (Pp), round-seeded (Rr) individuals are crossed, four different types of plants are produced phenotypically in the ratio 9:3:3:1.Out of 16 offspring, 9 are purple flowered, round seeded pea plants, 3 pea plants are white-flower with round seed, 3 are purple- flower with wrinkled seed and 1 pea plant is white-flowered with wrinkled seed pea plant is produced.  

8 0
3 years ago
 I will give you brainliest if you answer this ASAP 
givi [52]

Answer:

400

Explanation:

Because if you pull one black marble out of four and there are 100 black marbles then there is 300 others, so in total it would be 400 marbles.

thanks if i'm given brainliest!!!

3 0
3 years ago
Which two minerals are also elements?
Iteru [2.4K]

Answer:

carbon and titanium,  hope that helps

Explanation:

5 0
2 years ago
What is the other name for an eye piece
Vesnalui [34]

eye piece is also known as ocular lens

3 0
3 years ago
What are two gases that are constantly diffusing across the membranes of our cells
Mice21 [21]

Answer:

I believe that will be oxygen (O2) and carbon dioxide (CO2).

Explanation:

Hope this helps, if wrong correct me.

7 0
2 years ago
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