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Charra [1.4K]
3 years ago
13

What organelle controls a cell's activities? nucleus mitochondria centriole

Biology
2 answers:
kumpel [21]3 years ago
7 0
The nucleus controls everything in a cell
velikii [3]3 years ago
3 0
The nucleus controls the cells activities. It is like the brain of the cell.
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How can scientists test their ideas about the origin of the universe if they can't physically interact with or study it?
erastovalidia [21]

Answer:

<em>The cosmological principle makes assumptions that provide scientific guidelines to enable its study.</em>

Explanation:

Cosmology can be described as the study of the origin of the universe.

Although scientists cannot physically study about the origin of the universe but the cosmological studies help scientists to derive ways which makes it easier to hypothesize about the origin of the universe. There are numerous theories and hypothesis generated for the origin of universe based on the cosmological principle.  The cosmological principle states that universe on the whole is homogeneous and it looks the same at any location.

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3 years ago
Identify what is wrong with the following statement: "If the climate in two geographically separate regions is similar, the same
enyata [817]

Answer:

A. <u>Biomes are not affected by climate</u>

Explanation:

  • The climate of a biome determines its importance as the biomes are formed as a cause and consequence of the climatic factors and hence the plant growth is affected by this and depends on the climatic types hence the Koppen classification is based on the different climatic zones the relationship among the plantains.
  • An example of the Mediterranean climate i.e Cs chappal biome. Has and extremely dry summers and plants are adapted to the extreme season of the variation in the temperatures and the rainfall patterns.
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3 years ago
Which of these statements is true about adaptive evolution? The ability to learn plays a key role in the process of adaptive evo
pentagon [3]
<span>The correct answer is "Sudden changes in the somatic cells of organisms play a key role in the process of adaptive evolution". Adaption in evolution is caused by sudden gene mutations that affect an organism's offspring and give it - potentially - a better chance of survival. For example, a giraffe who passed on a mutated gene for a slightly longer neck to its offspring gave its offspring a better chance of reaching untouched food, and thus a survival advantage.</span>
8 0
3 years ago
The seven-spotted cockroach is a nocturnal species that burrows under leaf litter during the day.
djyliett [7]

Answer: C. is less likely to be eaten by a predator.

Explanation:

The adult seven-spotted cockroach is the prey of various other insects including beetles so mimicking the pattern of a beetle would send a message that it is a beetle and because the chemical irritant that the beetle has makes it get avoided by others, the cockroach gets avoided by other insects too who don't want to be sprayed.

Of course this does not always work but it works for the most part and ensures the cockroach's survival.

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3 years ago
"the competitive exclusion principle only applies when species differ in their competitive abilities"
timofeeve [1]
The natural selection process applies majorly inside back species wether than between species.
6 0
3 years ago
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