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Ivenika [448]
3 years ago
14

How are species that were once thought extinct being found again? (What tools and methods are being used) https://youtu.be/-17TI

VjVuTY using the information from this video
Biology
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:

fossils I think- correct me if I'm wrong dkfnjdf

Explanation:

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If you are on the fourth trophic evel, what percentage of energy are you setting from the producers?
elena-s [515]

We know, only 10% of energy transferred from each trophic level. Plant can capture 1% energy from the sun. According 10% law only 10% energy transfer to next level. Thus if plant has 1%- trophic level 2 will have 0.1%; then third trophic level will have 0.01% and we human if we are on fourth level then we will have 0.001%.

Thus correct answer is 0.001%.

7 0
1 year ago
In fish or flaxseed the best source of omega3 fatty acids? Why?
Katena32 [7]
Fish because it is full of healthy oils. But depends on the kind of fish. I know salmon is rich in omega 3 fa
3 0
3 years ago
To model ocean water in different places on Earth, a student pours equal amounts of water in two containers. He adds the same am
Nitella [24]

Answer:

The correct answer would be - container 2 will have less salinity than container 1.

Explanation:

The given experiment can give an idea about how the temperature of surroundings can affect the salinity, volume, and density of the water that has the same amount of water and salt dissolved in it. The independent variable or the only variable that is different is their place that has a difference in the temperature. Container 1 is placed in a cool place while container 2 is placed in sunlight.

We know that the warmer the water it takes more space so, therefore, less density. Density and salinity both have a positive relationship so an increase in density increases the salinity and vice versa. Thus, here the salinity of container 2 would be low in comparison to container 1

8 0
3 years ago
How is phagocytosis in the immune system different from protozoan phagocytosis? how is phagocytosis in the immune system differe
bekas [8.4K]

Phagocytosis is defined as a process of ingestion of bacteria or other infectious agent by phogocytes.

In human beings, the major and professional phagocytes are White Blood cells. These cells are specialized in attacking infectious agents that enters the body and kill them by engulfing them.  

In protozoan, the phagocytosis starts with the ingestion step, in which an infection agent is taken up by protozoans and form a special vacuole like structure which secretes lysosomes enzymes that attack the agent and kill it and then removed from body by egestion.  

Hence, there is not any significant difference between the process of phagocytosis in humans and protozoan; however the steps included vary in both.


7 0
3 years ago
Why are we closer to the sun in winter?
Pavel [41]

Answer:

Because the earth's axis is tilted

Explanation:

7 0
3 years ago
Read 2 more answers
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