Answer:
2
Explanation:
DNA is tightly packed up to fit in the nucleus of every cell. As shown in the animation, a DNA molecule wraps around histone proteins to form tight loops called nucleosomes. These nucleosomes coil and stack together to form fibers called chromatin
<span>1) sum of all ecosystems in the world : Biosphere
</span>Biosphere is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth. T<span>he </span>biosphere<span> overlaps the lithophere, atmosphere, and hydrosphere.</span><span>
2) All populations within an ecosystem : Community
</span>A community is all of the populations of various<span> species that </span>sleep in a similar space<span> and </span>act<span> with </span>each other<span>. A community </span>consists<span> of all of the </span>organic phenomenon<span> factors of </span>a part.<span>
3) Interbreeding members of a species in an ecosystem :</span><span> Demes
</span>A deme could be a<span> term for </span>an area<span> population of polytypic species that actively </span>crossbreed<span> with </span>each other<span> and share </span>a definite cistron<span> pool.</span><span>
4) A defined area consisting of biotic and abiotic components : </span><span>An </span>ecosystem
An scheme could be a<span> community </span>created from<span> living organisms and </span>non-conscious parts like<span> air, water, and mineral soil.</span>
Answer:
We might lose things such as plastic bags, water bottles cardboard and glass it would be a shame if any of these things got lost we could be using the glass to help us build structures or we can even build things out of plastic and we can try helping people by building gains Lego blocks to craft out a house for them.
Answer:
The correct answer is D. MMDA
Explanation:
MMDA stands for 3,4-Methylenedioxymethamphetamine. It is a psychoactive drug and is used as a recreational drug. After taking a dose of this drug it shows its effect in 30-45 minutes. People taking these drugs produce a feeling of euphoria and loving worth due to which they feel to hug each other again and again.
It also increases body temperature by making the release of many neurotransmitters in the body which results in vasoconstriction and as a result heat production occurs and heat dissipation is reduced. It also leads to thirst, sleepy feeling, and appetite loss. So the right answer is D. MMDA
Answer: B spreading pesticides
Explanation:
Pesticides can be harmful to humans if consumed and can also alter ecosystems by killing insects that are relied on as a food source by animals and pollinators by plants.
