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3 years ago

Please help!!!

Biology

1 answer:

tensa zangetsu [6.8K]3 years ago

5 0

Answer:

Ecosystem is a biological community, where living beings interact with each other and with their non-living environment. It includes two factors living or biotic factor like plants, animals, microbes and humans and abiotic factors such as sunlight, wind, water, soil and others. The role of different ecosystem is the same as they provide an environment where a living species can survive and reproduce. But the roles of species may vary from ecosystem to ecosystem. Like, mouse act as a predator,as it's function in one ecosystem is to feed upon insects, and grasses. But in another ecosystem it may be fed by other organisms like snakes, hawk, therefore, it will be prey for them.

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Suppose two independently assorting genes are involved in the pathway that determines fruit color in squash. These genes interac

Vaselesa [24]

Answer:

120 white individuals

30 yellow individuals

10 green individuals

Explanation:

Available data:

Dominant epistasis: Phenotypic frequencies 12:3:1

W allele codes for a dominant white phenotype

w allele codes for a colored squash

Y allele codes for a dominant yellow phenotype

y allele codes for a recessive green phenotype

W allele will always mask the phenotype produced by Y or y alleles

160 offspring

Dihybrid Cross

Parental) WwYy x WwYy

Gametes) WY Wy wY wy

WY Wy wY wy

Punnet Square)

WY Wy wY wy

WY WWYY WWYy WwYY WwYy

Wy WWYy WWyy WwYy Wwyy

wY WwYY WwYy wwYY wwYy

wy WwYy Wwyy wwYy wwyy

F1 Phenotypic Frequency)

White phenotype: 12/16 = 120 individuals

Yellow phenotype: 3/16 = 30 individuals

Green Phenotype: 1/16 = 10 individuals

To know how many offspring are expected to have the white, yellow, and green phenotypes, you can perform a three simple rule. This is:

16 ------- 160 offspring

12 White ------- X = 120 offspring

3 Yellow ------- X= 30 offspring

1 Green --------X = 10 offspring

3 0

3 years ago

1. Which of the following might be a result of adding a secondary consumer to the aquatic ecosystem in the accompanying illustra

MatroZZZ [7]

Answer:

<u>Option-(A): </u>In an illustrated flowchart, the movement of carbon atoms through an aquatic food chain is indicated by arrows.
<u>Option-(C)-</u> An increase in the population of scavengers.

Explanation:

The ecological pyramid is comprised of different level of organisms as the energy flow occur through them in a more directed form inside the different spheres depending upon the medium for energy transmission across the given parameters or area. As, the arrow provides us with a more directed way for understanding the transmission of energy through different organisms and there respective levels inside the ecological pyramid.

While, the increase in the level of scavengers or the animals which consumes the left overs of other living beings is balanced with the addition of the secondary consumers to the aquatic ecosystem.As, it will provide equal chances and energy to the different beings inside the ecosystem.

5 0

3 years ago

BEST ANSWER GETS BRAINLIEST!!!

marshall27 [118]

Invasive weed species was what I was taught

7 0

3 years ago

Read 2 more answers

What is the name of the process in which genes are identified by transforming mutant cells and screening for restoration of wild

Ede4ka [16]

It seems that you have missed the given options for this question, but anyway here is the correct answer. The name of the process in which genes are identified by transforming mutant cells and screening for restoration of wild-type function is called CLONING BY COMPLEMENTATION. Hope this answer helps. Thanks for posting.

7 0

3 years ago

Maybe it’s just me but this is hard lol

sergey [27]

its b i remember taking that test in 8th grade last year

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3 years ago