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Ksivusya [100]
3 years ago
13

Explain vascular bundles in leaf ?

Biology
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:A vascular bundle is a part of the transport system in vascular plants. The transport itself happens in vascular tissue, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will include supporting and protective tissues.

Explanation:

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The main hormonal and physiological events of each of the ovarian cycle.
luda_lava [24]

Answer:

sex chromosomes have X and Y chromosomes whereas sexual reproduction is a type of reproduction.

Explanation:

Two sex chromosomes are present in humans and most other mammals i.e. the X and the Y chromosomes. Females have two X chromosomes in their egg cells, whereas males have both X and a Y chromosomes in their sperm cells while on the other hand, reproductive sex means sexual reproduction in which sperm of male fuse with eggs of female organism forming zygote that turns into a fertile offspring.

3 0
3 years ago
A cell uses active transport to move sodium ions out of the cell. Why does the cell use active transport instead of diffusion to
Alex_Xolod [135]

Answer:

A cell uses active transport because active transport uses energy going from high to low (against the concentraion gradient) while diffusion (passive transport which doesn't use energy) goes from low to high.

Explanation:

8 0
3 years ago
The term "phase" only refers to a state of matter in science (True or False)<br> True<br> False
nataly862011 [7]
False it is not just used in the mater of science
7 0
4 years ago
A person who is interested in finding a cure for diabetes, in which the pancreas does not produce insulin, might pursue a career
astra-53 [7]

Answer: The answer is A, endocrinology

Explanation: I took the test and i got it right, 6.02 Endocrine and Reproductive.

7 0
3 years ago
What does the graph show the importance of clean air?
natulia [17]

Answer:

C. Most people will die from negative health effects associated with stroke as indoor dirty air builds up.

Explanation:

<u>C is correct option</u> because it shows the highest proportion of people's death caused by stroke. On the other options are not correct due to the following reasons:

A is incorrect because it says that people have a lower risk of dying from COPD. On the other hand, the graph shows that this is 3rd most abundant cause of deaths.

B is incorrect because deaths due to lung cancer are the lowest according to the graphical illustration.

D is incorrect because the proportion of developing acute lower respiratory infection and ischemic heart disease are not the same. Deaths due to ischemic heart disease are higher than the acute lower respiratory infection.

4 0
3 years ago
Read 2 more answers
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