Adding or removing a species from n eco systemcan lead to an imbalance ecosystem for the reason that a species might besurviving due to another one or some species might be playing the role of checkand balance for another, removing that species will cause that check andbalance to stop.
A simple hypothetical example is that a lioneats deer, when you remove a lion from that system the number of deer will riseincredibly which will need more vegetation for them, resulting as there will novegetation be left leading to some other effects and the chain continue…
b. Bacteria are thought to be the first group of photosynthetic organisms.
c. Bacteria are the only group of organisms that can fix nitrogen into the soil.
d. The majority of bacteria on earth can cause disease, if given the opportunity.
Answer:
d. The majority of bacteria on earth can cause disease, if given the opportunity.
Explanation:
I got it "Correct"
All organisms need energy to survive. It enables them to carry out vital functions like growth, movement, reproduction, etc. This energy often comes from food or sunlight, depending on the specific organism.
All organisms, from the simplest microorganisms to the most complex creatures, require energy to survive. Energy, option A, is necessary for all life forms as it powers their systems and enables them to perform necessary functions such as growth, movement, reproduction, and responses to their environment. This energy primarily comes from food in animals and sunlight in plants, the latter converting it into chemical energy via a process called photosynthesis. So, it is not blood, carbon dioxide, or soil that all organisms need but energy.
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Answer:
1000000
Explanation:
Easy way to do this
just add all the zero
there are 4 zero in 1000
so 3 + 3 = 8
6 zero
so 1 + 6 zero = 1 + 000000
= 1000000
:-)
Answer:
Chemical spills, road salt, pesticides and fertilizers
Explanation:
Ground water pollution is addition of undesired substances to ground water that brings down its quality and makes suitable to be used by living beings. The chemical spills, road salt, pesticides and fertilizers get mixed with surface water and contaminate it. Percolation of contaminated surface water is the main cause of ground water pollution.
Answer: The correct answer for the fill in the blank is Pond.
Pond is a small, shallow, and stationary water body. Therefore, sunlight penetrates properly throughout the body making a constant temperature from its top to the bottom.
On the contrary, ocean, lakes, and lagoon are the dynamic water bodies and have temperature gradients from top to their bottom.