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VMariaS [17]
3 years ago
5

Help guys plz :(

Biology
2 answers:
MAVERICK [17]3 years ago
4 0

Answer:

(☞゚ヮ゚)☞ B. Cyanobacteria

Explanation:

Yuki888 [10]3 years ago
3 0

Answer:

Algae i believe

Explanation:

I say this because the earliest animal is comb jelly

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So like.. can somebody figure this out for me. I been on this for hours and dont answer if you dont know​
Bond [772]

Answer:

A.

Explanation:

increasing salinity decreases solubility of gas in water, therefore dissolved O2 concentration decreases.

4 0
2 years ago
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid.
abruzzese [7]

Answer:

option d

Explanation:

Meiosis stage was formerly called the reduction stage involving two divisions; meiosis I and II. After the first stage of meiosis, the ploidy level of each of the daughter cell changes is in an haploid state, meaning here the DNA content has been reduced by half. In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23). This haploid state is still maintained by the meiosis II just undergoing the normal mitosis division.

4 0
3 years ago
Read 2 more answers
What is the element name for 3.3%
viktelen [127]

Answer:

Nitrogen

Explanation:

5 0
3 years ago
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If you measure the rate of respiration of plant root hair cells, would you expect it to be the same as, more than, or less than
DaniilM [7]

Answer:

The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. In many ways, respiration is the opposite of photosynthesis. In the natural environment, plants produce their own food to survive.As with photosynthesis, plants get oxygen from the air through the stomata. Respiration takes place in the mitochondria of the cell in the presence of oxygen, which is called "aerobic respiration".

In plants, there are two types of respiration: dark respiration and photo respiration. The first kind occurs in the presence or absence of light, while the second occurs exclusively in the presence of light.<em>Plant respiration occurs 24 hours per day</em>, but <em>night respiration is more evident since the photosynthesis process ceases.</em> During the night, it is very important that the <em>temperature is cooler than during the day</em> because plants can experience stress. Imagine a runner in a marathon.

roots respire too!

One of the functions of the substrate is <em>to serve as a site for air exchange between the root zone and atmosphere</em>. In other words, <em>roots breathe oxygen like we do</em>. Different plants have different oxygen requirements for their root systems.

For example,

<em><u>the root system of a poinsettia requires a lot of oxygen, so it is best to use a substrate with high air porosity, while hostas can live well in a substrate with a high water holding capacity. </u></em>

7 0
2 years ago
_____ cells are long to carry impulses quickly from one place to another
aliina [53]

Answer:

Neuron cells

Explanation:

Neurons use axons to carry nerve impulses

6 0
2 years ago
Read 2 more answers
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