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Greeley [361]
3 years ago
11

Bears and coyotes both consume large plant-eating mammals such as deer. When the deer are in short supply, bears and coyotes may

fight over the prey. This type of biological interaction is called
Biology
1 answer:
Gnesinka [82]3 years ago
8 0
This is competition among predators.
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Spiders use their silk to build strong webs, to trap bugs, to save themselves from falling, to wrap their eggs safely, and even
11Alexandr11 [23.1K]

Answer:

The missing word is things.

However, the real question is how one material can serve so many purposes? That is what makes it possible for the spiders web to have a high "utility" value?

The answer is in how the spiders make the silk.

Explanation:

So it interesting to note that spiders do not make only one kind of silk. They vary depending on what purpose it's doing serve.

The most common type is Dragline Silk.

Dragline Silk: This contains spidroins. Spidroins fall under a category of a protein called scleroproteins. Because of its composition, a strand or fiber of Dragline has the same tensile strength as steel albeit more flexible. That is if one produced steel the diameter of a spider's silk, and compared both for strength, the silk will be stronger.

The spider produces Dragline silk in its silk glands where they are as viscous as a paste. From here is pulled out or extruded into lines of silk.

Other types of spider silk are:  

  1. Capture-spiral silk. Also known as the Flagelliform, they are used for securing lines of the web. They are adhesive, very elastic, and possess high tensile strength.  
  2. Tubiliform silk: They are also called Cylindriform. Its main use is for the protection of spider eggs. It is used to make a sac for which protects eggs. This type of silk is the toughest.
  3. Aciniform silk: For preserving fresh prey.  
  4. Minor-ampullate silk: This type is used by spiders for creating temporary support while they are spinning a web. Etc.

Cheers

7 0
2 years ago
Differentiate between cell mass and cell number
sergiy2304 [10]

Answer:

Measurement (Count) of Cell Numbers:

1. Breed Method:

A known volume of microbial cell suspension (0.01 ml) is spread uniformly over a glass slide covering a specific area (1 sq. cm). The smear is then fixed by heating, stained, examined under oil immersion lens, and the cells are counted.

Customarily, cells in a few microscopic fields are counted because it is not possible to scan the entire area of smear. The counting of total number of cells is determined by calculating the total number of microscopic fields per one square cm. area of the smear.

6 0
2 years ago
Read 2 more answers
Beta cells in the pancreas and human skin cells
Kazeer [188]
Mitosis is the answer

8 0
3 years ago
Which of the following is not a function of the integumentary system?
prisoha [69]

Answer:

D

Explanation:

if not c a l

7 0
2 years ago
What is the perimeter of the figure?<br><br> 36 in.<br> 42 in.<br> 44 in.<br> 48 in.
Licemer1 [7]

Answer:

170 in

Explanation:

Add all values

5 0
3 years ago
Read 2 more answers
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