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posledela
3 years ago
10

Is wind the weakest agent of erosion

Biology
2 answers:
horrorfan [7]3 years ago
6 0
The weakest agent of erosion is WIND
natita [175]3 years ago
6 0
Yes! Because wind takes the longest time to pick up dirt and particles to move them around.
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the graph in figure 5.1 shows the growth of a bacterial population which of the following correctly describes the growth curve
defon

The right answer is exponential.

The bacterium multiplies by binary fission: the bacteria grow and then divide into two daughter cells separated by a septum of division formed by the cell wall. During division, the DNA is duplicated as well as the other constituents. Various enzymatic systems of synthesis and degradation participate in cell division.

Bacterial growth is the orderly growth of all components of the bacteria. It results in an increase in the number of bacteria.

During the growth, there is, on one hand, depletion of nutrients in the culture medium and, secondly, an enrichment of by-products of metabolism, potentially toxic. Growth can be studied in a liquid or solid medium.

1 - Growth curve: The growth of a bacterium is studied in a liquid medium. There are 6 phases which together constitute the growth curve.

. Latency phase: the zero growth rate (μ = 0). The duration of this phase depends on the age of the bacteria and the composition of the medium. This is the time required for the bacteria to synthesize the enzymes adapted to the new substrate (no lag phase if transplanting on the same medium as the previous one).

. Acceleration phase: There is an increase in the growth rate.

. Exponential growth: the growth rate reaches a maximum (μ = max). This phase lasts as long as the growth rate is constant. The doubling time of bacteria is the shortest. The cell mass is represented by viable cells (zero mortality).

. Slowing phase: the speed of growth decreases. There is a depletion of the culture medium and an accumulation of waste. There is a beginning of autolysis of bacteria.

. Stationary maximum phase: the growth rate becomes naked (μ = 0). Bacteria that multiply compensate for those that die.

. Decline phase: the growth rate is negative (μ <0). All the nutritional resources are exhausted. There is accumulation of toxic metabolites. There is a decrease in viable organisms and cell lysis under the action of endogenous proteolytic enzymes. However, growth persists by release of substances released during lysis (cryptic growth).

4 0
2 years ago
Read 2 more answers
Chuckwalla is a large herbivorous lizard of the southwestern United States and northwestern Mexico. A scientist discovered varia
kondor19780726 [428]

The different sizes of animals are related to the amount of food available in these environments.

<h3>How does altitude influence species richness?</h3>

The study in mountains with increasing altitude and increased species richness at heights of evidenced, followed by a reduction in richness with increasing altitude.

With this information, we can conclude that the different size of the lizards is explained by the amount of food available in the place where it is inserted.

Learn more about  altitude in brainly.com/question/1594187

7 0
2 years ago
If the DNA sequence is AAG TCG. What is the RNA complimentary sequence?
Helen [10]

Answer:

Complementary RNA (cRNA) is a copy of a strand of RNA that will bind to the appropriate region of the original molecule. If the original RNA stand had a base sequence of AUU, for example, the sequence of the cRNA strand would be UAA.

Hope it helps.

have a wonderful day!

8 0
2 years ago
Identify the converse of the statement If cat fly then ducks bark
Igoryamba
<span>The answer is If ducks bark then cats fly.   T</span>he converse of the statement If cat fly then ducks bark is If ducks bark then cats fly. <span>The converse of A implies B is B implies A.</span>
7 0
3 years ago
Which examples from the list below are considered Biotic factors?
ddd [48]
Biotic factors may include things like:
-predation
-disease
<span>-competition
</span>-parasitism
<span>-consumption
and -symbiosis

Hope this helps then!! :)
</span>
5 0
2 years ago
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