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Marysya12 [62]
3 years ago
15

How does a system of non living things operate to meet the needs of living organisms in an ecosystem

Biology
1 answer:
timurjin [86]3 years ago
6 0
 living things need non living things to survive. Without food, water, and air, living things die. ... Plants use water from the soil, carbon dioxide from the air, and energy from sunlight to make their own food.
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In a plant called jimsonweed, flowers can be white or purple. A jimsonweed plant with white flowers is crossed with a jimsonweed
STALIN [3.7K]

<u>Answer:</u>

Although statements are not given in the question, we could make the most possible deduction as follows:

The allele for purple flowers is dominant whereas allele for white flowers is recessive.

<u>Explanation:</u>

According to the question,

  1. Purple flower plant was crossed with white flower plant.
  2. All offsprings have purple flowers.

Here we have one possibility that both parents were homozygous but in their own traits. <u>Purple flower</u> plants were "PP" and white <u>flower plants</u> were "pp" So, the <u>first progeny</u> (direct offsprings) would have "Pp". So, as per considerations, purple is dominant allele which will mask the recessive allele thus defining the color of all offsprings as purple. However, further cross of their generation will definitely end up into purple and white flowers (3:1) but this condition is not mentioned in the statement.

8 0
3 years ago
Which of the following is true of receptors for dynamic equilibrium?
gulaghasi [49]

Answer:

The correct answer is option D.

Explanation:

Dynamic equilibrium refers to the sense, which interprets angular acceleration in the three-axis of rotation that when combined provides a sense of equilibrium when movement takes place. The receptors for dynamic equilibrium are known as ampulla, maculae are the receptors of static equilibrium.  

The movement of the head does stimulate dynamic equilibrium receptors, as these receptors are situated in the inner ear that moves with the head. The receptors for dynamic equilibrium are situated in the semicircular canals. The receptors for dynamic equilibrium react to rotational forces, as the receptors are located on the three-axis, thus, they can detect rotation, that is, angular momentum.  

7 0
3 years ago
Marker molecules on a pathogen that the immune system recognizes as part of your body or coming from outside your body are calle
Fynjy0 [20]
Hello There!

If i remember correctly, the answer you are looking for is antigens.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
6 0
3 years ago
What makes wind energy "green"?
oksano4ka [1.4K]

Answer:

D

Explanation:

It doesnt pollute things by being burned, like other energies do like coal

7 0
3 years ago
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What would be a normal cervical dilatation rate in a first-time mother ("primip")?
harkovskaia [24]
The normal cervical dilatation rate in a first-time mother is 1.5 cm per hour. Dilation in a "multip' is about 1.5 cm per hour. Cervical dilation is the opening of the cervix, the entrance to the uterus, during childbirth, miscarriage, induced abortion, or gynecological surgery, it may also occur naturally, or may be induced by surgical or medical means. 
5 0
3 years ago
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