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cluponka [151]
3 years ago
9

What are the environmental pressures of the plant the cactus? What are their Variations?

Biology
1 answer:
finlep [7]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.The pressures of drought and other animals, as well as lack of water are environmental pressures of the Cactus. The environmental pressures of the cactus are the variations are Bunny Ears Cactus, Chin Cactus, Saguaro Cactus, Old Lady Cactus, Star Cactus, Easter Cactus, Christmas Cactus, and Moon Cactus

Explanation:

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Which describes two species interacting so closely that they are adapted to each other? 1 generalized evolution 2convergent evol
GuDViN [60]

<u>Answer</u>: Option 3 Coevolution

<u>Explanation</u>:

<em>Coevolution</em> is a process in which two individuals reciprocally affect each other's evolution.  In this process the interacting species exert selective pressures on each other thus, affecting their evolution. Due to this reciprocal adaption they become so close that the evolution of one species is affected by the other.



6 0
3 years ago
A DNA molecule produced by combining DNA from different sources is known as...?
kkurt [141]

Answer:

Recombinant DNA

Explanation:

Recombinant DNA can be used to change the genetic makeup of a cell, as in adding a gene to make a bacterial cell produce insulin.

3 0
4 years ago
What’s the difference between an objects mass and weight. How do I calculate the weight of an object? Which one is affected by g
vagabundo [1.1K]

Answer:

The mass of an object is a measure of the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. Mass does not change with gravity as weight does due to the act of pulling down on an object making it in fact heavier.

Explanation:

^

4 0
4 years ago
What type of mutation is occurring in this strand of DNA?
bekas [8.4K]
The correct answer is insertion!
a G was added in the third sequence!

hope this helps!!
5 0
3 years ago
The presence of a controlled substance must be proven in both the blood and the ____ before it can be considered as a cause of d
sergey [27]

The presence of a controlled substance must be proven in both the blood and the organs before it can be considered as a cause of death.

A controlled substance is the one that is prohibited or available under strict regulations by the law of a country or state. These are usually the drugs that can result in addiction or serious diseases in an individual. Such substances are only available for medicinal purposes.

Blood is a red colored fluid present inside the body. It is red due to the presence of a pigment called hemoglobin. The blood is responsible for the transport of substances across the whole body, like oxygen, hormones, carbon dioxide, waste material, etc.

To know more about controlled substances, here

brainly.com/question/28169320

#SPJ4

5 0
2 years ago
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