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liq [111]
3 years ago
6

large predatory fish are usually found as secondary or tertiary consumer. what does this mean in terms of the amount of energy t

hat is available to them?
Biology
1 answer:
maks197457 [2]3 years ago
4 0

Answer:

that means they are not a prey to any animal

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What can scientists accomplish by applying recombinant-DNA technology?
Bogdan [553]

Answer:

- production of vaccine for disease prevention

- production of genetically modified crops

Explanation:

Recombinant DNA is a special type of DNA that has been infused with a foreign gene of particular interest.

With recombinant DNA technology, scientists can study different proteins and see how they can be used for therapy in the area of medicine. <em>The technology has been used to produce several vaccine in the prevention of diseases.</em>

In addition, recombinant DNA technology has been useful in agriculture to produce <em>genetically modified crops with desired traits such as resistance to pests/diseases and high yields.</em>

3 0
3 years ago
Read 2 more answers
Lymphocytes are specialized ________________cells.
meriva

lymphocytes are specialized T cell ,B cell, and natural killer cell .

these cells are distinguished from other lymphocytes by a protein on their surface known as the B cell receptor .these protein is specialized to recognize and attach to specific antigens.

7 0
2 years ago
If you ate more food from secondary consumers, how would this change the percentage of the biomass pyramid necessary to support
Anna007 [38]

Answer:

would increase

Explanation:

The pyramid of biomass is a diagram that exhibits the total biomass of the organisms at different trophic levels, which are required to support life in a given ecosystem. This pyramid usually starts with producers situated on the bottom (e.g., plants), then continues with the organisms that eat these primary consumers (herbivores), after with secondary consumers (carnivores), and so successively. The pyramid of biomass indicates the amount of mass of 1-primary producers required to support the life of the primary consumers, 2- primary consumers needed to support the life of the secondary consumers, 3-secondary consumers needed to support the life of the tertiary consumers, and so successively for each trophic level. In this diagram, the trophic level with a higher amount of biomass (and energy) is usually represented by the producers (i.e., by organisms on the bottom), and this amount of biomass decreases as long as more levels are considered. In consequence, if more food from secondary consumers is consumed, it will produce an increase in the percentage of biomass that is needed to support life.

5 0
3 years ago
What might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the h
IrinaVladis [17]

Considering answers;

-fever

-constricted veins

-swollen veins

-confusion


Answer;

Swollen veins


Swollen veins might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart.


Explanation;

Valves are structures that are found in the circulatory system both in the heart and the veins.

They function to prevent the back flow of blood.

They do so by ensuring the continuous flow of blood in one direction.

If the valves are not functioning properly it may lead to various effects such as swollen veins due to the back flow of blood which may lead to the pooling of blood in the extremities.

4 0
3 years ago
Why might farmers use artificial selection to develop different ypes of vegetables
Vesnalui [34]
To enlarge crops or mix types for a different flavor ,pest control,or if a type of vegetable is fading away
5 0
2 years ago
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