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2 years ago

What is the average for the following set of measurements?

Biology

1 answer:

TEA [102]2 years ago

4 0

Answer:

A. 20°C

Explanation:

If you add 27,12,31,19,23,11, and 17 altogether, it's 140. 140 divided by 7 is 20. So, 20 is the average.

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All of the cacti is removed from a desert ecosystem, what would happen to the population of cactus dwelling birds and in turn th

pishuonlain [190]

The population of cactus dwelling birds will decrease and that of the animal they eat will increase.

Explanation:

When cacti is removed from the desert ecosystem, the birds that have their nest on the cacti will no longer have a home so they will migrate to other areas with favorable ecosystem.This will reduce the number of birds in this ecosystem.In turn, the animals that were feed by the birds will have the chance to multiply in numbers because a predator has been removed in the ecosystem.

Learn More

Ecosystem : brainly.com/question/2865934

Keywords : Ecosystem, population

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3 years ago

How do sexually reproducing organisms produce gametes from diploid progenitors?

Wittaler [7]

Through meiosis, diploid parents produce haploid cells called gametes. The gametes, through sexual reproduction, then meet and join into one cell called a zygote that is diploid.
The zygote then develops into a diploid organism with genetic traits from both parents.

3 0

3 years ago

Jordan is an animal lover and wants to protect animal species and their habitats. A career in which field would allow him to do

Inga [223]

Answer:

B. wildlife conservation

Explanation:

6 0

3 years ago

Read 2 more answers

A newly discovered species of dung beetle has 2n = 16 chromosomes. It mates with a closely related beetle species that has 2n =

Kamila [148]

Answer:

Option 3, 20 or 22

Explanation:

A newly discovered species of dung beetle has 2n = 16 chromosomes. It mates with a closely related beetle species that has 2n = 12 chromosomes. How many chromosomes would there be in an allotriploid beetle produced from this cross?

40 or 44
20 or 22
20 or 22
36 or 48
40 or 44

Solution

An allotriploid is a species which contains three sets of chromosomes of different species .Crossing can result in triploid offspring with diploid gamete of one species and regular haploid gamete of other offspring

Case I - Resulting offspring (3n) = Gamete I (2n) + Gamete II (n)

Case II - Resulting offspring (3n) = Gamete II (2n) + Gamete I (n)

Case I

$2* 8 + 6 \\= 16 + 6 \\= 22$

Case II

$2* 6 + 8\\= 12 + 8\\= 20$

Hence, option 3 is correct

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3 years ago

_____________organisms tolerate only limited variation in environmental osmotic concentration. A) euryhaline B) stenohaline C) o

Yuki888 [10]

The corect answer is B

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3 years ago