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Anestetic [448]
3 years ago
6

What does biodiversity mean? A. is the variety of species in an ecosystem B. is the variety of food in an ecosystem C. is the va

riety of water in an ecosystem D. is the variety of shelter in an ecosystem
Biology
2 answers:
nignag [31]3 years ago
6 0

Answer:

the variety of life in an ecosystem

Explanation:

Cloud [144]3 years ago
5 0
A. is the variety of species in an ecosystem
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An asynchronous culture is given 3H-thymidine for a period of time, usually about 30 minutes. During the labeling period, 42% of
Sphinxa [80]

Answer:

How long is the G2 phase = 6hours

Explanation:

Cell cycle undergoes various stages  during mitotic cell division.

Normally cells are arrested in the resting phase G0 but as the cell division starts it undergoes G1 the growth phase then it undergoes S phase called the Synthesis phase in which the DNA synthesis occurs. Then it undergoes G2 Phase and is the shortest phase while G1 is the longest phase of the cycle. G2 normally lasts for 3-4 hours so here it may take 2.775 hours as due to presence of Thymidine the synthesis of DNA occur at high level so it contains higher levels of cellular DNA than in the G1 . so it will take  6hours G2 phase to occur.

7 0
3 years ago
How might a decrease in biodiversity affect medical discoveries and treatments?
Zinaida [17]
<span>People depend on biodiversity in their daily lives, in ways that are not always apparent or appreciated. Human health ultimately depends upon ecosystem products and services (such as availability of fresh water, food and fuel sources) which are requisite for good human health and productive livelihoods. Biodiversity loss can have significant direct human health impacts if ecosystem services are no longer adequate to meet social needs. Indirectly, changes in ecosystem services affect livelihoods, income, local migration and, on occasion, may even cause political conflict.</span>
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3 years ago
How do the organisms in different levels relate to one another ?
Olegator [25]
Each organism corresponds with one another because one organism feeds on another and so on and so forth
7 0
3 years ago
During cellular respiration, chemical energy is converted From
NARA [144]

You know that during cellular respiration, energy is converted from glucose, in the presence of oxygen, into numerous ATP molecules. Glucose contains lots of energy, but that energy must be converted into a form usable by cells.

4 0
3 years ago
How much work is done on a 30 N that is lifted 1.5 M off the ground?
Cerrena [4.2K]

Answer: 45 J

Explanation:

The formula for work is force x distance.

W = fd

W = (30 N)(1.5 m)

W = 45 J

7 0
2 years ago
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