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monitta
3 years ago
6

What is meant by evolution

Biology
1 answer:
Arlecino [84]3 years ago
4 0
Definition-change in a population or species over time.
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The _____ produces secondary phloem and xylem tissue, adding to a tree's girth.
lilavasa [31]
The aswer is b. Vascular Cambium

it is a plant tissue which is located between Xylem and Phloem in the stem and root of a vascular plant and the source that produces Secondary xlem and phloem

Nb : Vascular Cambium does not transport waters , minerals, it only produce Xylem and Phloem which add the tree's girth
7 0
3 years ago
Define meteorologist.
notka56 [123]

Answer:

Explanation:

Meteorologist is a type of scientist who predict the weather and help us know the temperatures for the week.They help us understand earth's weather.Like when your watching the news or either listening to it on the radio or just looking at the weather app.The meteorologist explain whats coming towards our hometown like for example: a cold front is coming hitting all of California.They explain when where how and why

pls mark me brainliest

5 0
3 years ago
Bright-field microscopes are used for most microscopic work. True or false.
ra1l [238]
This is true, hope this helps. c:
7 0
3 years ago
How are alleles and traits related? <br> Explain using an example.
anyanavicka [17]
They determine your genes, chromosomes and how you look
8 0
3 years ago
Fermentation is a chemical reaction that takes place in the cytoplasm and occurs when oxygen is Choose... . Byproducts of fermen
Zepler [3.9K]

Answer:

Fermentation is a chemical reaction that takes place in the cytoplasm and occurs when oxygen is low or absent. Byproducts of fermentation may include lactic acid or ethanol. Fermentation yields less ATP than the electron transport chain.

Explanation:

Fermentation is a chemical reaction that occurs under anaerobic or low-oxygen condition whereby the NADH produced during glycolysis is oxidized to NAD⁺ with the production of lactic acid as well as other products such as ethanol.

Since oxygen is lacking, pyruvate and NADH produced in glycolysis cannot be oxidized. In order to produce energy in the form of ATP for the cells and tissues,the NAD⁺ is regenerated from NADH by the reduction of pyruvate to lactic acid by the enzyme lactate dehydrogenase. In some other organisms such as yeast and microorganisms, pyruvate is converted to ethanol and carbon dioxide.

The  net production of ATP in fermentation process is 2 molecules of ATp much lesser than that produced in aerobic respiration.

6 0
3 years ago
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