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scZoUnD [109]
3 years ago
14

What is an alternitive energy source

Biology
1 answer:
kkurt [141]3 years ago
8 0
An alternative energy is anything that doesn't consume fossil fuel.

These are alternative energy sources:
Solar energy
Wind energy
Geothermal energy
Hydroelectric energy
Biomass energy
Ocean energy
Hydrogen energy
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a marine biologist dredges up a small animal from the bottom of the ocean. it is uniformly segmented, with short, stiff appendag
Elden [556K]

Given the characteristics mentioned in the question, the animal must be an annelid.

<h3>What is an annelid?</h3>

Annelids, (Phylum name annelida) segmented worms, characterized by having body cavities (or body coelom), mobile bristles (or setae), and bodies segmented by transverse rings. The body cavity is reduced in leeches, and the bristles are devoid of some specialized morphology, including leeches. An important phylum of invertebrates in the animal kingdom, Annelida, consists of more than 9,000 species divided into three classes: Sea worms (polychaetes) are divided into motile and sedentary or tube-dwelling forms. earthworms (Oligochaeta); and leeches (Hildinea). Annelids are coelomic and tridermal.

General characteristics of annelids are:

  1. They show organization at the organ system level.
  2. Your body is segmented.
  3. They breathe through their body surfaces.
  4. The kidney is an excretory organ. They have well-developed circulatory and digestive systems.
  5. Common names for more familiar annelids include earthworms, sandworms, annelids, bristleworms, and leeches.

To know more about annelid, visit:

brainly.com/question/11400463

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4 0
1 year ago
How do platelets aid in the healing of cuts?
zepelin [54]
Platelets act like a temporary plug to prevent more blood loss, they act like a blood clot.
8 0
4 years ago
Which term defines a well-tested, scientifically supported statement that explains how something works?
stellarik [79]

Answer:

A. Hypothesis

Explanation:

A hypothesis is a well-tested, scientifically supported statement that explains how something works.

7 0
4 years ago
Read 2 more answers
You’ve likely heard of polar bears (Ursus maritimus) and grizzly bears (Ursus arctos horribilis). Have you heard of a grolar bea
Karolina [17]

Answer:

allopatric speciation.

Explanation:

  • When the population belonging to the same biological species becomes separated from each other due to some geographical factor such that no gene flow can occur between the two separated populations then the speciation that occurs on account of this is known as allopatric speciation.
  • The geographical isolation that separates the two groups can be the origin of a mountain,  the formation of islands, volcanic eruption, etc. which prevents the two groups fro mating with each other and ultimately causes their lineage to speciate.
  • Although the two separate populations are unable to mate due to geographical factors, if the two populations are allowed to mate again, given that they have not been separated very long ago, they can give rise to hybrids.
  • Thus, in the given question it is given that polar bears and grizzly bears have been mated and hybrids have been produced and this points out to the fact that polar bears are result of allopatric speciation.
7 0
4 years ago
How does an ocean wave change as its movint from deep water to shallow water
Novosadov [1.4K]
When deep-water waves move intoshallow water, they change into breaking waves. When the energy ofthe waves touches the ocean floor, the water particles drag along the bottom and flatten their orbit (Fig. ... Transitional waves occur when the water depth is less than one-half thewavelength (D < 1/2 L).
5 0
3 years ago
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