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KATRIN_1 [288]
2 years ago
10

Help pls i will mark brainiest​

Biology
1 answer:
Natasha2012 [34]2 years ago
8 0

Answer:

Water, Sunlight, and Oxygen = Abiotic While Consumers and Producers are Biotic

Explanation:

Because biotic is LIving and Abiotic is Non-Living.

Tell me If this helps!

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Different ratios occur in crosses with single gene pairs or two gene pairs. What types of ratios are likely to occur in crosses
likoan [24]

Answer:

Genotype ratio: 1, 1:1, 1:2:1

Phenotype ratio: 1, 3:1

Explanation:

Single gene pair cross is also known as monohybrid cross. This means that only one gene usually with two alleles is observed and it express one trait.

For example, if we name the gene for a certain trait with A, the possible genotypes are AA (dominant homozygous), aa (recessive homozygous) and Aa (heterozygous). Possible crosses are:

P: AA  x  AA

F1 : all of them are AA

The same is with aa x aa (all of the offspring are with aa genotype)

P: AA  x  Aa

F1: AA Aa AA Aa  (genotype ratio 1:1) (phenotype ratio 3:1)

The same genotype ratio is  in aa x Aa (offspring will have aa Aa aa Aa-(genotype ratio 1:1) (phenotype ratio 1:1)

P: Aa x Aa

F1: AA Aa Aa aa (genotype ratio 1:2:1) (phenotype ratio 3:1)

P: AA x aa

F1: Aa Aa Aa Aa (1)

5 0
3 years ago
The placenta, a temporary organ that is shed after the infant is born, is the site of exchange of oxygen, nutrients, and waste b
Kobotan [32]
TRUE. the placenta develops in the mother's uterus during pregnancy. The structure provides oxygen and nutrients to the growing baby and removes waste products from the babys blood
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Here is a hypothetical situation: An area of the country has received a record amount of rainfall this year coupled with a mild
Ronch [10]

Answer:

Zika virus and West Nile virus are the two pathogens which causes more diseases due to increase the population of mosquito.

Explanation:

Zika virus belongs to the family of Flaviviridae. Aedes mosquitoes which are active at day time are the carrier of this virus. West Nile virus is also spread through the bite of mosquito. The infected mosquito is the main cause of spreading of this disease. This virus is spreading too fast in the United States of America in the summer season where the population of mosquitoes increases.

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two things that can cause cancer include 1) death and miscopying 2) exact copy of heathly DNA and damaging effect of radiation 3
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Mutations and Death is the right answer

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if someone were to stay the same size, are their cells increasing faster than decreasing, or decreasing faster than increasing?
kramer

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Increasing faster than decreasing

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3 years ago
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