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PSYCHO15rus [73]
3 years ago
5

Which is characteristic of a mineral? A. It must be man-made and amorphous. B. It must be man-made and crystalline. C. It must b

e naturally occurring and amorphous. D. It must be naturally occurring and crystalline.
Biology
1 answer:
Sladkaya [172]3 years ago
5 0
It is d because most minerals compose of crystalline
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Which statements describe thigmotropism? Check all that apply.
emmainna [20.7K]

Answer:

Thigmotropism is a plant's response to touch.

Thigmotropism is a plant's response to an external stimulus.

Thigmotropism can occur quickly or slowly.

Thigmotropism may involve the way in which a plant grows.

Thigmotropism may involve the closing and opening of plant leaves.

4 0
2 years ago
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Identity the object made from a nonrenewable resource,
Natasha_Volkova [10]
Answer: flowers,other minerals
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) When predicting the phenotype of the offspring from a dihybrid cross, why is it so important that each gene is located in a di
Bond [772]

Answer:

a) The genes present on separate chromosomes exhibit indepedent assortment.

b) The genotype of tall and purple flower parent= TTPp

The genotype of short and purple flower parent: ttPp

Explanation:

a) In a dihybrid cross, if the genes are present on the same chromosome, they will not exhibit independent assortment. The genes present on the same chromosome are called linked genes. Linked genes are inherited together. The absence of independent assortment of a linked gene gives more of parental types in F2 progeny. Therefore, if genes are not present on a separate chromosome, Mendel’s ratios deviate.

b) Alleles for tallness and purple flower are dominant. In the progeny, all the plants are tall. This means that the dominant tall plant is homozygous. With respect to flower color, the trait exhibits segregation of dominant and recessive alleles and both purple and white flower progeny are obtained. This makes both the plants heterozygous for the flower color gene.  

The genotype of tall and purple flower parent= TTPp

The genotype of short and purple flower parent: ttPp

7 0
3 years ago
Shifting biomes could have consequences for the regions in which the shifts occur. Read the two cases below and decide which con
Nata [24]

Answer:

increased risk of wildfires- both

local economy suffers- Case 1

carbon storage decreases - Case 2

agricultural production decreases - Case 1

carbon storage increases -  Case 1

disease vector range changes - Case 2

decreased water availability - Case 1

local economy thrives - Case 2

species range changes - Case 2

Explanation:

Fires are common to  taiga biomes. Owing to the fact that the biome in case 1 changed from an agricultural community to a grassland and subsequently to a desert, agricultural productivity will decrease, the local economy will suffer, water availability is decreased and local economy suffers as a consequence of desertification.

On the other hand, in case 2, the diseases vector range as well as species range changes due to the change in the species of foxes from Artic foxes to red foxes that carry rabies. Carbon storage decreases as the taiga biome acts as a carbon sink. The local economy thrives due to timber production.

Lastly, species range changes both in case 1 and case 2 since there is a loss of species. Species range is the area where a particular species can be found during its lifetime. Certainly, the range of area where species are found changed in cases 1 and 2.

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3 years ago
How does a animals biome affect how it lives?<br> also who is bored and wanna talk?
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Explanation:

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