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Jobisdone [24]
4 years ago
12

ALSO DUE SOON: A cell needs to transport materials across the cell membrane. Which of the following best describes the type of t

ransport shown here? A. active transport, because energy is NOT required for the materials to cross the cell membrane B. active transport, because energy is required for the materials to cross the cell membrane c. passive transport, because energy is NOT required for the materials to cross the cell membrane D. passive transport, because energy is required for the materials to cross the membrane​
Biology
2 answers:
maxonik [38]4 years ago
5 0
Answer: B
Explanation: If it need to transport it would obviously be active. Which would leave u between A and B. But the correct answer is B. Without the energy it wont be able to transport.
NikAS [45]4 years ago
3 0

Answer:

b

Explanation:

because I hot this and it was right

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Human caused reductions of biodiversity, include pollution, invasive species, and overexploitation.
Andrew [12]

Answer:

True

Explanation:

Development, together with globalization, drove severe changes at a global level. The natural and original environments suffered from these effects and still are.

Human beings have constantly been altering the natural ecosystems and causing irreparable damages to nature. For many decades, development involved society and technology advance over new areas unpopulated by humans.

<u>Some</u> of the principal human activities responsible for biodiversity loss are

  • the uncontrolled use of unrenewable resources,
  • overexploitation of renewable resources;
  • land destruction for the mining industry, farming and cattle industry, buildings, and other infrastructures;
  • the unplanned advance of cities, and opening of new roads to connect those cities.  

All of them involving

  • deforestation and fragmentation of natural landscapes;
  • water, air, and soil pollution,
  • species loss, and reduction of biodiversity.

With globalization, transport around the world became normal. And when traveling around the world, new species are intentionally or unintentionally transported too. When these species, of animal or vegetable origin, get established in a new area, they overgrow to the point of turning invasive.

Invasive species are uncontrollable and cause severe damage in native endemic species by competing for resources. The whole ecosystem structure changes.

But there are some background glitches in the system that are the principal responsible for all the mentioned activities. Some important aspects are lacking

  • The respect for nature,
  • People´s education at different levels to care and protect wildlife,
  • Interest in keeping ancestral knowledge,
  • Planning and previous environmental impact studies,
  • Policies to control human activities,
  • Caring involved government.

If, as a society, we lack these aspects, the possibilities of changing our impact on nature are far away.  

6 0
3 years ago
Which of the following areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes?
VLD [36.1K]
The answer is White pulp of the spleen
5 0
3 years ago
Where do you think the oxygen atoms are coming from?
lina2011 [118]

Answer:

oxygen atoms come from  split water molecules

Explanation:

6 0
3 years ago
Which is NOT found in a prokaryotic cell?
Charra [1.4K]

Answer:

D: Nucleus

Explanation:

Prokaryotic cells contain a cell membrane, a cell wall, and cytoplasm. However, they do not have a nucleus. Eukaryotic cells have a nucleus.

4 0
3 years ago
Need answer fast if possible ​
Anni [7]
What is the question ?
7 0
3 years ago
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