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Nimfa-mama [501]
3 years ago
7

A mutagen is

Biology
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

A a living thing that has undergone a mutation.

Explanation:

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PLEASE HELP is this right?? its timed and i put biosphere last time and got it wrong
jolli1 [7]

Answer:

its population.

Explanation:

i hope this is right

8 0
3 years ago
(b)
mamaluj [8]

Explanation:

You didn't attach a picture so i'll just explain how to find the number of stomatas/mm^2.

first you find the surface by multiplying the length by the width

0.1*0.1=0.01mm^2

now you count the numer of stomatas in the picture

in0.01mm^2 you have.........................x stomatas

in 1mm you have ...............................y stomatas

y=100x

6 0
3 years ago
The most biomass is an energy pyramid is the
jeka94

A biomass pyramid shows the total mass of the organisms that each trophic level occupies in an ecosystem. Usually, producers have a higher biomass than any other trophic level, but there can be lower amounts of biomass at the bottom of the pyramid if the rate of primary production per unit biomass is very fast.

7 0
3 years ago
Read 2 more answers
A mutation in a gene that controls mitosis in cells may cause? a) cancer. b) cystic fibrosis. c) albinism. d) meiosis.
harkovskaia [24]
The answer is <span>a) cancer.

</span><span>Cells must control mitosis (cell division) in order to maintain normal cell function. If something happens to the control of mitosis, the healthy cells will divide uncontrollably. These new cells are cancer cells and they are also out of control. They will continue to divide uncontrollably, so the mass of the cancer cells will grow.
</span>Regarding other choices:
- cystic fibrosis is an inherited disorder of lungs and digestive system,
- albinism is a congenital disorder characterised by the absence of pigment in the skin and hair,
- meiosis is cell division resulting in the reduction of a chromosome number in half.
7 0
3 years ago
The illustration shows one of the ways resources are removed from the deep sea. There are many confusing regulations that limit
Sonbull [250]
The United Nations Conventions on the Law of the Sea (UNCLOS) stipulates that seabed area, which is not within the landmark of any particular country should be regarded as a common natural heritage. Consequently, any mineral found in such an area can be used by anyone. 

However, because of the abundant presence of sea area, and the way national boundaries often conflict, coupled with the problem of illegal mining practices, such laws are difficult to enforce, and so these regulations are not standardized yet.

Some possible impacts of ilegal seabed mining are:
1. Destabilisation of oceanic systems.
2. It constitutes danger to the organisms living in the hydrothermal vents.
6 0
3 years ago
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