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Damm [24]
2 years ago
8

3-5 sentences for each question pls !!! need help ASAP

Biology
1 answer:
Scorpion4ik [409]2 years ago
8 0

Answer:

a. Sunlight cannot penetrate through the ash clouds. thus photosynthesize won't occur. so the food chain will begin to collapse from the producer and primary consumer. owls will be out thinking that it's night. they will catch fish resulting in an imbalanced ecosystem. the aquatic population will decrease. then it's the doom days for owls. they will emigrate or will die.

b. the ecosystem will restore. that's how nature works.

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In ducks, the trait for normal feathers is dominant to the trait for silky feathers. If
vesna_86 [32]

Answer: The genotype ratio is 2Ff : 2ff

The phenotype ratio is two normal feathered birds to two silky feathered birds.

Explanation: Let F represent the gene for normal feather and f represent the gene for silky feather. F is dominant while f is recessive, therefore a male that is hybrid for trait of normal feather is heterozygous and will have a genotype of Ff, a female that is homozygous for silky feather will have a genotype of ff.

A cross between Ff and ff will yield 2Ff birds and 2ff birds. Since F is dominant, a bird having genotype of Ff will manifest outwardly as blue feathered birds while ff will manifest outwardly as silky feathered birds because f is recessive and must occur in a homozygous condition in order to manifest phenotypically. Therefore, the genotype ratio is 2Ff: 2ff.

See the punnett square attached for more information

5 0
3 years ago
What would happen if the number of plants in a room where increases from 20 plants to 100 plants?
Nadya [2.5K]
I think you’ll be able to be able to breathe better
8 0
3 years ago
WILL GIVE BRAINLIEST IF RIGHT !
Neko [114]

Answer:

C, D.

Explanation:

C: The flowing lava creates extra rock. For example, entire islands are formed via this process of volcanos erupting, lava cooling, repeat.

D: Silt from erosion (erosion itself is considered destructive, but the resulting silt can turn into something constructive.) can build up entire mounds or mountains over time.

8 0
3 years ago
Read 2 more answers
Anticlines and synclines are types of folds created by compressional stresses.
Nataly_w [17]
False i’m pretty sure
5 0
3 years ago
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An organism that has the same genes as the organism from which it was produced is called
Romashka-Z-Leto [24]

The answer is a clone.



5 0
3 years ago
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