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nadya68 [22]
3 years ago
14

What are the environmental pressures of the plant the cactus?

Biology
1 answer:
Naddika [18.5K]3 years ago
6 0

Answer:

The best-known threat comes from human pressures, driven by agriculture, residential, and commercial expansion into cactus habitats. But the worst offender, the scientists were surprised to find, is the illegal trade of cactus plants and seeds, affecting 47 percent of the threatened species.

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From the sequencing of the human genome, we believe that there are approximately 21,000 protein-coding genes in the genome, of w
Nadusha1986 [10]

Answer:

The best answer to the question: If every gene has a tissue-specific and signal-dependent transcription pattern, how can such a small number of transcriptional regulatory proteins generate a much larger set of transcriptional patterns? Would be:

Because transcriptional regulators, which are the ones responsible for initiating, and stopping, transcription of RNA into protein, often work in pairs, one goes with the other, and thus increase the regulatory capabilities over gene expression so that the genes translated into RNA and then transcribed into aminoacids in protein chains, actually code for the correct protein types.

These regulators will both stand, as appropriate, on a specific gene to promote its transcription, or prevent it, depending on the different signaling mechanisms received.

4 0
2 years ago
during cold weather very small mammals eat more than their own weight while large mammals eat a small fraction of their weight e
likoan [24]

Answer:

Hibernation

Explanation:

The small animals sleep longer so they need more food but the big animals eat a fraction bc they sleep less longer and they also do this to sleep off a decent amount of weight so that when they wake up they can eat a lot

3 0
3 years ago
The largest diversity of plants and animals on the planet is found in one terrestrial biome.
Nadya [2.5K]

Answer:

There are diversity of plants and animals species found on the terrestrial biome. The biome such as forest, desert are rich in variety of plants and animals. This states that largest diversity is found in almost all the types of terrestrial biome.

Explanation:

6 0
3 years ago
Why is it important to elevate the stigma
kondaur [170]
The stigma of the flower must be elevated (by the style) away from the ovary to avoid self pollination or contamination. The stigma is covered with sticky substances so that pollen can easily attached themselves to it.
4 0
3 years ago
Would you expect the stomata of a desert cactus or the stomata of a water lily plant to close during the day?
BartSMP [9]
A water lily will have more stomata. A desert cactus will have very few stomata, because in deserts plants face water shortage so in order to avoid loss of water cacti have adapted to the desert environment by possessing few stomata.
5 0
3 years ago
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