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Gnoma [55]
3 years ago
9

Identify and discuss factors that influence ecosystem productivity.

Biology
2 answers:
adell [148]3 years ago
8 0

Net primary productivity varies among ecosystems and depends on many factors. These include solar energy input, temperature and moisture levels, carbon dioxide levels, nutrient availability, and community interactions

horsena [70]3 years ago
4 0

Answer:

The level of productivity is influenced by two main factors:

*The availability of the resources needed for photosynthesis

*The diversity of the ecosystem.

Explanation:

The productivity in an ecosystem is related to the growth rate of the organisms living in an ecosystem. Productivity determines how many of an ecosystem´s resources we can use. Because when we take them faster than they are produced we can certainly damage the diversity in the ecosystem. By maintaining a sustainable ecosystem we should keep a balance in the rate we take resources with the rate they are made. 

Photosynthesis requires sunlight, carbon dioxide, water, and nutrients. The productivity of an ecosystem depends on the good production of these resources. The lack of any could limit productivity. Diversity influences productivity by ensuring the efficient use of resources. Complementing interactions between species, assuring the presence of architecture species and increasing ecosystem resilience disturbance events, like storms, fires that occur naturally in an ecosystem. 

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irinina [24]

Answer:

Cells grown in culture tend to adhere to each other, through adhesins, so they are able to communicate with each other. They form gap junctions that allow the cytoplasm of the cells to exchange some molecules such as cyclic-AMP associated molecules in this case.

Therefore even though the FSH binds to the receptors on the ovarian follicle cells only (since these are the cells that bear the receptors for the hormone on their surface), the pathway and associated molecules for secondary messengers can diffuse across the across the gap junction into other cells, including those of the cardiac cells, hence inducing some contraction in these cells, as they respond to the secondary messengers.  

Learn More:

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brainly.com/question/12798200

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6 0
3 years ago
What does the word kyotos as in cytoplamsa mean
zaharov [31]
A city on S Honshu, in central Japan: the capital of Japan a.d. 
8 0
3 years ago
Read 2 more answers
This means divide or to take apart the pecices
kogti [31]

Answer:

to take apart; discerp; dismember. – divide into piece

Explanation:

6 0
3 years ago
The half-life of Carbon-14 is 5730 years. Suppose a fossil is found with 50% of Carbon-14 as compared to a living sample. How ol
nata0808 [166]

Answer:

5732 years

Explanation:

Radioactive decay can be determined by using the equation:

N_t = N_0e^{- \lambda t}

where;

N_t = number of decayed atoms at time (t)

N_0 = initial number of decayed atoms

\lambda = decay constant

So, if we equate the natural log of the above; we have:

In(N_t) = In(N_0)-\lambda t

\frac{In(N_t)} { In(N_0)}} = -\lambda t

where;

\lambda = \frac{0.693}{t_{1/2}}

\lambda = \frac{0.693}{5730}

\lambda = 1.209*10^{-4

In(\frac{50}{100}) =-(1.209 *10^{-4})*t

-0.693 = -(1.209*10^{-4})*t

t= \frac{0.693}{1.209*10^{-4}}

t = 5732.01 years

t = 5732 years.

Hence, the fossil is 5732 years old.

8 0
4 years ago
45 POINTS IF CORRECT
katrin [286]

Answers

When doing medical research with human subjects, the following are unavoidable limitations;

It’s often impossible to repeat trials on the same subjects.

Subjects may report an inaccurate medical history.

It can be difficult to control all possible variables

There are ethical or privacy concerns to consider.

Explanation

When doing a medical research that involves human subjects it should be voluntary, informed and consent. The researchers should respect the persons treated as autonomous agents. The volunteers should be protected from physical, mental and emotional harm. The benefits should outweigh the costs.


4 0
4 years ago
Read 2 more answers
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