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topjm [15]
3 years ago
7

In a balanced ecosystem, the number of______ is far greater than the number of________ .

Biology
1 answer:
yanalaym [24]3 years ago
3 0
Ecological balance always require that there must be more producers than the number of consumer. When the equation for ecological balance will be reverse there will be ecological imbalance which is called the disturbances. This will later on cause the scarcity of resource and extinction of one species.
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In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant
mariarad [96]

Answer:

in the obtained options, there is no dominant gene for the crossed pairs, therefore, no answer would be correct, however, when assigning a dominant character to the P gene, the correct answer would be:

E. Rr pp *rrPp

Explanation:

According to the information obtained we deduce:

Comb shape is produced by R and P

Comb of walnuts with an R or a P

Pink comb: 1 dominant P and R at the first locus and 2 recessive at the next locus

Pea comb: 2 recessive at the start and one dominant in the next position

1 single comb: 2 recessive at both loci

Rr pp × rr Pp will produce from the interbreeding: 2 walnuts, 1 single and 1 pea offspring.

We deduce that for the pink comb the genotype is: Rrpp

and for the pea comb it is rrPp

Rr pp × rr Pp generates crosslinks containing RrPp, rrPp, rrpp as children in a 2: 1: 1 ratio.

4 0
3 years ago
A scientist conducts an experiment to test the effects of light on earthworm activity. Which is a variable in this experiment? l
777dan777 [17]

<span>I believe it is light, but this is kind of a confusing question. Technically there is a independent and dependent variable in the question. The variable being manipulated is light, and the earthwork activity depends on the light. </span>

7 0
3 years ago
Read 2 more answers
The structures involved in pollination and fertilization
Delvig [45]
Stigma, Stamen, Anthers, Ovary
8 0
3 years ago
What are 15 things we get from plants?
sukhopar [10]

Answer:

Fruits, vegetables, spices, cereals, Wood, Fibres, Cotton, perfumes, dyes, and most importantly medicines.

Explanation:

Plants play a major role in the preparation of several useful drugs and antibiotics.

4 0
3 years ago
Which structures are found in eukaryotic cells? A. chloroplast B. membrane-bound organelles C. mitochondria D. nucleus E. pili
Xelga [282]
The answer for your question is b and c.
                       Hope this helps:)
4 0
3 years ago
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