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BARSIC [14]
2 years ago
15

How many units of energy would there need to be in the first trophic level to end up with 1000 units of energy in the second? in

the third? in the fourth?
Biology
1 answer:
Anestetic [448]2 years ago
3 0

Answer:

(First) 10,000--->1000--->100-->10 (fourth)

Explanation:

Each trophic levels gets reduced by factor of 10.

Thus if you start with 10,000 in first, then you end with 1000 in second, 100 in third and 10 in forth.

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life cycles of sexually producing organisms involve the alternation of haploid and diploid stages true/false
kolbaska11 [484]

Answer:

True

Explanation:

<em>The life cycles of sexually producing organisms generally involve alternation between the haploid and diploid generations.</em>

<u>Sexual reproduction involves the fusion of gametes - fertilization. The gametes are haploid (n) and are usually formed by the reductional division (meiosis) of diploid (2n) sex cells. </u>

Haploid gametes represent the haploid stage of the life cycles of sexually reproducing organisms.  During fertilization, the male and female gametes fuse together to form a diploid zygote. The zygote then continues to divide equationally (mitosis) and differentiates to give rise to a baby and eventually to either male or female adult organism.

8 0
3 years ago
Genetics and inheritance are controlled by the laws of _________. Each parent has ________ alleles for each trait. You have a __
amid [387]

Answer:

1. Segregation, one, 50%.

2. Punnett Square, A Punnett square allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes (shows the probability of an offspring with a given genotype resulting from a cross), It does not show actual offspring.

Explanation:

Punnett Square, this gives you the total number of predicted offspring.

If my answer is perfect considered as brilliant

Best wishes

4 0
2 years ago
What happens when weathering and erosion work together?
egoroff_w [7]
Search Results
Featured snippet from the web
is dissolved, worn away or broken down into smaller and smaller pieces. Once the rock has been weakened and broken up by weathering it is ready for erosion. ... Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity.
5 0
3 years ago
Help...
lakkis [162]

Based on the graph the region expected to have the least population growth will be Australia.

<h3>Graphical illustrations</h3>

Looking at the given graph the population size of each region starts at a lower point and ends at a higher point on the graph between the years 1950 and 2050.

The change in the population also varies depending on the scale on the y-axis. Australia has the lowest scale which lies between somewhere above 10 and 50.

More on graphical illustrations can be found here: brainly.com/question/21376268

#SPJ1

7 0
2 years ago
As sound enters the ear, it vibrates the ______________ at the boundary between the outer ear and middle ear, causing the sound
oee [108]
(A. eardrum <----- is the answer
3 0
3 years ago
Read 2 more answers
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