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Studentka2010 [4]
3 years ago
15

Lab: Effects of Human Activity on Freshwater Resources (essay)

Biology
1 answer:
Bogdan [553]3 years ago
3 0

Answer:

Our water resources face a host of serious threats, all of which are caused primarily by human activity. They include sedimentation, pollution, climate change, deforestation, landscape changes, and urban growth.

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How do the structures in an organism relate to their functions?
Karo-lina-s [1.5K]


Different structure in an organism  are specialized to perform different tasks in the organism depending on their makeup.  A few examples are:

Heart, veins,  arteries  are structures forming  the cardiovascular system and function is to facilitate transport nutrients and oxygen carried by blood all over the body.

Bones, joints, ligaments and cartilage are structures of the skeletal system and their function is support and protection of the body.

Mouth, esophagus. stomach, large and small intestines are structures of the digestive system and their function is to break down food and absorb nutrients.


8 0
2 years ago
3. Name a cellular process that maintains homeostasis, and write 3 sentences explaining that process
lana66690 [7]

Answer:

osmosis

Explanation:

the diffusion of water molecules from a area of high water concentration to an area of low water concentration,

hope this helps :)

4 0
3 years ago
Which of the following is a non-contact force?
slavikrds [6]
Hi!

Magnetic force is a non-contact force.
4 0
3 years ago
Read 2 more answers
What is one way that cellular respiration differs from photosynthesis?
Ugo [173]

Answer:O The final product of cellular respiration is electromagnetic radiation.

The energy conversion in cellular respiration takes place in the chloroplast.

The main source of chemical energy in cellular respiration is water.

Explanation:

7 0
2 years ago
Osmosis and tonicity
Sergio039 [100]

The blood cells likely placed in a "hypotonic solution".

<u>Option: A</u>

<u>Explanation:</u>

When human blood cells are immersed in a solution with a low concentration of solute than is present in cells, osmosis allows water to pass through the cells, allowing the cells to get swollen; such a fluid is hypotonic to the cells. But when held in a solution with a greater concentration of solute, osmosis allows water to pass out of the cell, the cell is smaller and crenated in form; then a solution is hypertonic to the cells.

Healthcare facilities preserve human blood cells in a plasma solution that has the proper salt and protein ratios. Such solution is formulated to be mildly hypertonic to the red cells, thus maintaining the integrity of the cells and avoiding hemolysis.

8 0
3 years ago
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