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3 years ago

Which of the following helps to safeguard biodiversity?

Biology

2 answers:

Rina8888 [55]3 years ago

8 0

Answer:

A. Using reusable shopping bags at stores

Explanation:

Biodiversity can be defined as the diversity that exist in life amongst living organisms, their habitat, the ecological systems present on the earth. Biodiversity includes the various plants and animals species that we have on earth and their interaction with their environment.

It is very important that we preserve, protect, conserve and safeguard the biodiversity we have on earth as this is required for the proper functioning of the earth.

Various ways by which we can safeguard biodiversity includes:

1. Not throwing waste materials like thrash, cans, plastic into the sea body. Proper disposal of waste material is essential.

2. Avoid polluting the environment .

3. Preventing and discouraging over fishing in order to maintain a balance and to prevent extinction of the fish species.

4. We should endeavor to recycle all plastic materials like bottles and make use of reuseable shopping bags in stores.

AnnyKZ [126]3 years ago

6 0

The answer is A, Using reusable shopping bags at stores

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3 years ago

Given the following cross TtYyRr x TtyyRr (T = tall; t = short Y = yellow; y = green R = round; r = wrinkled), what proportion o

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Answer:

3/32 ttyyR-

Explanation:

Cross: Tall, Yellow, Rounded individuals with a tall, green, rounded individual

Parentals) TtYyRr x TtyyRr

Gametes) TYR, TyR, TYr, Tyr, tYR, tyR, tYr, tyr (Parent one)

TyR, TyR, Tyr, Tyr, tyR, tyR, tyr, tyr (Parent two)

We need to know what proportion of offspring is expected to be short plants with round, green seeds. So we need to identify the gametes for these traits. The genotypes are:

Shot → tt
Round → RR or Rr
Green → yy

⇒ Parent one can provide gametes tyR and tyr

⇒ Parent two can provide gametes tyR and tyr

(1/8 tyR x 2/8 tyR) + (1/8 tyR x 2/8 tyr) + (1/8 tyr x 2/8 tyR) =

2/64 ttyyRR + 2/64 ttyyRr + 2/64 ttyyRr =

1/32 ttyyRR + 2/32 ttyyRr =

3/32 ttyyR-

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