Any change in plant communities over time is called a(n) . 2. A common pioneer organism in a succession is the .
In biology, the term 'succession' is used to refer to the natural changes that occur in plant communities over time, often after a significant environmental disturbance. These changes happen in predictable order, beginning with 'pioneer species' (usually grasses and plants), followed by 'intermediate species' (smaller trees), and finally culminating into the 'climax community' where the forest resembles the pre-fire state.
Any change in plant communities over time is known as succession. This concept describes the sequential appearance and disappearance of species within a community. For instance, following a calamitous event such as a forest fire, the first plants to re-emerge are known as pioneer species which are essentially annual plants and grasses. As time progresses, environmental conditions change, and types of vegetation, such as small pine, oak, and hickory trees known as intermediate species appear. Ultimately, after a century or two, the forest will regain equilibrium and look the same as before the fire in a state known as the climax community. The process of attaining this stage in a community may also be triggered by short and long-term changes in the environment.
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They build and transport proteins.
B.
They allow for cellular motility.
C.
They provide an outside barrier to the environment.
D.
They assist with cellular respiration.
The mitochondria, often known as the powerhouses of cells, primarily aid in cellular respiration, which is the process of turning food energy into energy that cells can utilize. Therefore, the statement 'They assist with cellular respiration' best defines their function.
The mitochondria are often described as the powerhouses of the cell because they are primarily responsible for converting the energy in food into a form that cells can use. The process through which they do this is called cellular respiration.
This function is accurately described in option D: 'They assist with cellular respiration'. During cellular respiration, mitochondria break down glucose and other organic molecules to produce ATP, which is the main energy currency of the cell.
While mitochondria have other functions, including contributing to cell death (apoptosis) and cell signaling, their primary role is in energy conversion through cellular respiration. So in the given options, the statement that best describes the function of the mitochondria is 'They assist with cellular respiration'.
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Answer:
In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom.
B.biotic
C. habitat
D.abiotic
1. remaining skin cells still have the mutation that causes the cancer in their DNA, even if the symptoms are removed
2. it is likely to affect an entire chromosome because during meiosis there may be errors in crossing over when the condensed chromosomes can exchange large parts of the chromosomes in error