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Amiraneli [1.4K]
3 years ago
5

PLeAsE hElP mEeEe

Biology
2 answers:
tankabanditka [31]3 years ago
7 0
The building blocks of carbohydrates are monosaccharides
Shkiper50 [21]3 years ago
5 0

Answer:

C

Explanation:

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HURRY HELP ME PLZ
Solnce55 [7]

Answer:

Explanation:

1. Describe two effects of insecticide use on the forest ecosystem other than the intended reduction of moths to protect the trees.  

1. Insecticides when sprayed on a certain areas or spots can be blown by the wind to other areas or flow with rain water into nearby streams or local water bodies or seep through the soil into ground water. This is called indirect application or secondary poisoning,

2. Insecticides can affect the food chain because they reduce the biomass of primary consumers and there is is less food available to secondary consumers which eat poisoned plants or prey those who have been exposed to pesticides.

Insecticides can travel great distances through the environment and they can also flow with rain water into streams so fish can be directly or indirectly impacted by pesticides. The phenomenon of nutrient enrichment of aquatic bodies is known as eutrophication, which deteriorate the water quality leading to death of fish. Some long-term exposures cause abnormalities or mutations in developing fish larvae, while acute exposure can cause immediate fish die-offs. The liver, kidney, brain and gills of exposed fish are extremely vulnerable to chemical exposure.

6 0
3 years ago
A solution that causes water to move out of a cell
goldfiish [28.3K]

Answer:

<em><u>Osmosis </u></em>

<em><u>For a cell in a hyper tonic solution, which way does the water move? Osmosis causes water to move OUT OF the cell.</u></em>

Explanation:

5 0
3 years ago
RNA molecules have 4 nucleotides but unlike DNA, RNA lacks<br><br> and<br><br> instead has
andrey2020 [161]

Answer:

Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are perhaps the most important molecules in cell biology, responsible for the storage and reading of genetic information that underpins all life. They are both linear polymers, consisting of sugars, phosphates and bases, but there are some key differences which separate the two1. These distinctions enable the two molecules to work together and fulfil their essential roles. Here, we look at 5 key differences between DNA and RNA. Before we delve into the differences, we take a look at these two nucleic acids side-by-side.

Explanation:

4 0
2 years ago
Micah has straight hair. If he is homozygous for the gene that determines straight hair, what is true of his parents?
alexgriva [62]

Answer:

They have contributed same allele for straight hair.

Explanation:

There are two conditions homozygous and heterozygous. In homozygous conditions both the allele of a particular gene is same in an offspring which means the offspring got two same alleles from its parent for a particular gene and if an offspring is heterozygous for a gene that suggests that the parent has contributed two different alleles for that gene in the offspring.

So If Micah is homozygous for straight hair then it can be concluded that his parents have contributed two same alleles for straight hair genes.

3 0
3 years ago
Which of the following does not promote biodiversity
bonufazy [111]
The correct option is INTRODUCTION OF EXOTIC SPECIES;
Exotic species refers to an introduced specie of an animal which is alien to the ecosystem in which it found itself and which has been transported to that ecosystem either intentionally or by accident. Exotic species normally have varieties of effects on the ecosystem to which they are introduced, sometimes the effect will be good and sometimes the effects could be devastating depending on the particular situation. 
Factors which promote diversity include: larger size of the ecosystem, longer growing seasons and climatic stability.<span />
4 0
3 years ago
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