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Advocard [28]
3 years ago
11

BIOLOGY HELP PLEASE! WILL MARK BRAINLY

Biology
1 answer:
koban [17]3 years ago
6 0
Question 4. Populations, communities. Question 5: Biotic factos
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Earthworms help farmers. Many farmers add them to their farmland because they help form rich soil to grow crops in. Explain what
vova2212 [387]

Answer:

Earthworms are Invertebrates and or soil Invertebrates

Explanation:

Remedial measures may be taken to promote beneficial organisms, thereby inhibiting the growth of destructive soil organisms...Can do so, because these soil invertebrates live their whole lives(most do) in the soil, adapted to, helping, and benefiting from the environment. Allowing them to act as . defenders for the soil.

5 0
3 years ago
Is a fossil a biotic or abiotic factor? Explain why or why not.*<br> 2 points<br> Your answer
olasank [31]

Answer:

I am not going to straight out give you the answer, because I believe you can figure the answer out yourself. Ask yourself is the fossil living (or once living) or not living? If the fossil <em>is </em>living or once lived, that would make it biotic. If the fossil is not alive, that would make it abiotic.

4 0
3 years ago
Read 2 more answers
How long does it take for one plastic bottle to degrade in a landfill?
Lostsunrise [7]

Answer:

450 years all in all but it'd take about 1000 years in a landfill

Explanation:

7 0
3 years ago
Read 2 more answers
What is the regulatory protein component of the thin filament that binds to calcium
crimeas [40]

Answer:

Troponin

Explanation:

Myofilaments are found in myofibrils and comprises of thin and thick filaments. Thick filaments are majorly composed of myosin while thin filaments are mainly composed of actin protein.

More specifically thin filament is composed of three proteins known as actin, myosin and troponin. Sarcomere is known as the basic contractile unit and in vertebrates the contraction of striated muscles is mainly controlled by interaction of troponin and tropomyosin on actin filament.

On the stimulation from the nervous system the calcium ions are released from sarcoplasmic reticulum. The tropomyosin filament is moved on actin filament to uncover the surface for the binding of myosin head by the stimulation from calcium ion binding to troponin. This causes the contraction of sarcomere and it continues until the calcium ions are removed from sarcoplasmic reticulum.

7 0
3 years ago
What is a brine rejection?
blagie [28]
Where salt is pushed from forming ice into the surrounding sea water
8 0
4 years ago
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