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In-s [12.5K]
2 years ago
6

How dose one determine when an ecosystem is in balance

Biology
1 answer:
Aleonysh [2.5K]2 years ago
7 0
When there is decent amount of predators and prey. And there is enough resources for all the species to live (food, water, shelter) 
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Which of the following distinguishes the outer limits of a standard growing season?
Elis [28]

Answer:

frost dates

Explanation:

edge 2021

4 0
2 years ago
Answer as soon as possible/Which of the following most accurately depicts how a decline in America's metal economy can negativel
iogann1982 [59]

Answer:

B.

Explanation:

Jobs are lost due to a lack of metal for computers.

7 0
3 years ago
Rank the order in which the earliest organisms evolved.
Black_prince [1.1K]

The order in which the earliest organisms evolved -

  • Archaea and bacteria
  • Protists
  • Fungi and shell-less invertebrates
  • Green algae
  • Shelled Invertebrates

On the earth, various kinds of organisms evolve at different geological times, and on their evolution, they consider the oldest or youngest organisms:

  • Archaebacteria and bacteria was the oldest living organism on earth was, they lacked a membrane-bound nucleus and cell.
  • The protists evolved after the bacteria, they were multicellular prokaryotic organisms.
  • Fungi and the shell-less invertebrate, much-developed organisms in terms of body organization and structure. These have membrane-bound, well-defined cell membranes, and a nucleus. They even had a tissue level of organization.
  • Green algae evolve after protists which belong to the division Thallophyta of the plant kingdom. These are photosynthetic as they have chlorophyll in the cell.
  • Shelled Invertebrates are the youngest organisms that evolved recently among these.

Thus, the correct order is -

  • Archaea and bacteria
  • Protists
  • Fungi and shell-less invertebrates
  • Green algae
  • Shelled Invertebrates

Learn more about geological time scale:

brainly.com/question/16528968

5 0
3 years ago
When blood supplies oxygen and food to a cell surface and these molecules diffuse across, we might expect some "resting time." H
siniylev [52]

Answer:

Option (e).

Explanation:

Blood is the main connective tissue of the body. Blood helps in the transport of oxygen, nutrients and the excretory product of the body. Blood also provides immunity as it contains white blood cells.

The resting time is expected during the diffusion process. But the substance continuous back and forth in the body. This is because cells are the main living entity of the organism. The cells are never at rest in order to live and their resting time is not possible.

Thus, the correct answer is option (e).

8 0
3 years ago
Explain problems with using low-tar, low-nicotine cigarettes.
satela [25.4K]
The risk of lung cancer death is no different between medium, low, and very low-tar cigarettes.

People who smoke low-tar cigarettes compensate the lack of tar by changing their breathing habits, for example, they will take deeper drags or hold the smoke in for a longer period of time,  basically negating the supposed " low-tar" effect. 
4 0
3 years ago
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