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Rom4ik [11]
3 years ago
14

What are the two different characteristics that scientists examine to classify living things/

Biology
1 answer:
skad [1K]3 years ago
6 0
One of the characteristics you're looking for is whether the organism is a vertebrate (with a backbone) or an invertebrate (without a backbone).
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if there are 1000 units of energy avalaible at the producer level of energy pyramid, approximately how many units of energy are
iVinArrow [24]

Answer:

1 unit

Explanation:

Each tropic level gets 10% of the energy from the last level it consumed.

6 0
3 years ago
Which one is more important, a producer or decomposer
Diano4ka-milaya [45]

Answer:

Decomposers

Explanation:

Without decomposition, there is no life really. Although producers give off oxygen and food to consumers, they need organic and inorganic materials, water, air, carbon dioxide, etc. While decomposers, work with what they got

4 0
3 years ago
Read 2 more answers
Prostaglandins: A. stimulate smooth muscle contraction. B. have four-membered rings and are derived from arachidonic acid. C. ar
nevsk [136]

Answer:

The correct answer is option A, that is, stimulate smooth muscle contraction.

Explanation:

A group of lipids and a hormone that plays an essential role in monitoring the process of the formation of blood clots, stimulation of labor, the flow of blood and inflammation is known as prostaglandins. The hormone prostaglandin takes part in various kinds of body functions like the relaxation and contraction of the smooth muscles at the time of childbirth, monitoring blood pressure, dilation and constriction of blood vessels, and produce inflammation at the site of infection or tissue damage.  

Prostaglandins possess five-membered rings and are obtained from the fatty acid, arachidonic acid. At the time of blood vessel injury, thromboxane, that is, a form of prostaglandin enhances the process of blood clot formation so that the injury site gets heal quickly.  

4 0
3 years ago
Directions: Type your answer in the box. You may use numerals or words.
djverab [1.8K]
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7 0
3 years ago
The image below shows a close-up of the crystals formed in a pegmatitic rock. Which characteristic provides the best evidence th
VLD [36.1K]

Answer:

Option C (very coarse texture) is the appropriate one.

Explanation:

  • Everything always cools quickly because once magma reinforces above that of the ocean floor and perhaps the shape it possesses seems to be agricultural context, color temperature, and so on. But as magma settles down underneath the layer, it gets sufficiently opportunity to solidify, culminating in a much more gritty texture as well as color change, respectively.
  • We then assume that perhaps the assumption of whether concrete solidified buried underground correlates to a rather coarse framework.

Other decisions aren't linked to the circumstance issued. So the one above is indeed the best one.

8 0
3 years ago
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