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joja [24]
2 years ago
12

Someone pls pls help for 30 points

Biology
1 answer:
NemiM [27]2 years ago
7 0

Chemical Weathering.

Brainliest would be appreciated.

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Pick the a.b.c below.<br><br>a. 8 grass/m2<br>b. 16 grass/m2<br>c. 24 grass/m2<br>d. 32 grass/m2​
Nataly [62]

Answer:

16grass/m²

Explanation:

Given parameters:

Number of grasses in quadrat = 4

Area of the square  = 0.25m²

Unknown:

Population density  = ?

Solution:

Population density is the number of organisms per given area;

  Population density  = \frac{number of grasses}{area of quadrat}  

 Population density  = \frac{4}{0.25}   = 16grass/m²

3 0
2 years ago
It is impossible for sperm to be functional (able to fertilize the egg) until after ________. Group of answer choices
lesya692 [45]

Answer:

The answer is "they undergo capacitation"

Explanation:

Sperm migrate through uterine contractions and the energies of its flagella to the uterine tube. In sperm motility, reverse peristalsis is engaged in the uterus and uterine tubes. For a sperm cell to fertilize an egg, it takes approximately 24 hours. The surface of the egg changes as the sperm penetrates the egg, therefore no sperm is allowed within. The kid is fully genetic, including whether it's a boy or a girl at the time of fertilization. Until they are trained it is difficult for sperm to be working.

8 0
3 years ago
Which system is the digestive system least connected to?
Leya [2.2K]

Answer:

Integumentary is least connected to the Digestive system

3 0
3 years ago
Read 2 more answers
Which one should I choose?
liubo4ka [24]
You choose: A journalist reporting on the biotechnology topic such as <span>Gene therapy to introduce new genes into humans for medical benefit. Above all mentioned, they are all about consumable food, which is still doable and solution is easily found however, medicine to diseases such as cancer is hard to find.</span>
8 0
3 years ago
Which is the best example of a response to an external stimulus?
tigry1 [53]

Answer:

drinking water after a long run

Explanation:

When there arises a change or shift in the state or action of any organism because of any external stimulus, the result is said to be the response to external stimulus. The response or reaction to the external stimulus arises when the organism experiences or senses the stimulus.  

Drinking water after a long run is an example of the response to external stimulus. Here, the external stimulus is the loss of water in the water because of the action of running. This makes the individual drink water which is a response to the external stimulus.

7 0
3 years ago
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