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larisa86 [58]
3 years ago
9

In reproductive cloning, a sperm is not used, but an egg is still required. why?

Biology
1 answer:
yawa3891 [41]3 years ago
6 0
Egg proteins are necessary for an embryonic development
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What is the correct order of structures that a piece of food would encounter as it travels through the alimentary canal of a bal
kari74 [83]

The correct order of structures is mouth, oesophagus, crop, stomach(proventriculus), gizzard, intestine, and anus.

<h3>The digestive tract of birds</h3>

The digestive tract of birds starts from the mouth and ends at the anus.

As the food enters the oesophagus through the mouth, it is pushed down to the first stomach called the proventriculus.

Hydrochloric acid, mucus and a digestive enzyme, pepsin, are secreted by specialized cells in the proventriculus and start the process of breaking down the structure of the food material.

Food substances that are hard to digest are transferred to the gizzard. Nutrients are absorbed in the intestines and undigested food substances are removed through the anus.

Learn more about the alimentary canal here:

brainly.com/question/881890

4 0
2 years ago
Increasing temperatures in the atmosphere have caused the temperature of the oceans to _______, leading to more powerful tropica
Serjik [45]

Answer No 1)

Increasing temperatures in the atmosphere have caused the temperature of the oceans to increase leading to more powerful tropical storms.

Approximately 25 percent of carbon dioxide emitted into the atmosphere is absorbed in the oceans.

Waste water treatment is critical to removing pollutants from contaminated water by using physical, chemical, or biological processes.

Water pollution can come from the decomposition of dead organic matter or animal waste in waterways.

Water pollution increases the salinity and slows down major ocean <u><em>currents</em></u> that are responsible for regulating Earth's climate.

Explanation:

The devastating effects of global warming effects both the land and the aquatic biomes.

The excess carbon dioxide produced as a result of global warming is absorbed by the oceans. This imposes a serious threat on the biodiversity of the aquatic life.  The dead organism also produce pollution when they degrade in the oceans.

It is essential that before ocean water is used for any kind of consumption, the water be effectively treated to remove all kinds of toxicity from it.

Answer 2)

Water quality can be improved through conservation by :

a) using less amount of water for house-hold purposes: In our daily lives, humans use extra amounts of water fro house- hold activities such as while washing clothes or washing dishes. It should be ensured that we use a reasonable amount of water for every house-hold activity.

b) Fix the leakages: Majority of the houses in a society will not be concerned about a minor water leakage from taps, pipes etc. But it is essential to conserve every drop of water and these leakages need to be fixed. The more water we conserve, the more improved quality water will be available.

7 0
3 years ago
If a person eats a low fat diet with a lot of sugar, can they gain weight? why?
lora16 [44]

Explanation:

well ermm if it's low fat and it doesn't have Alot of sugar I don't think u can but if it has a lot of sugar then probably

3 0
3 years ago
At 88 meters (289 feet), Landscape Arch is the longest natural arch in Arches National Park in Utah. Many geologists believe it
kirill115 [55]
<h2><u>Answer:</u></h2>

The recreation center is adjoining the Colorado River, 4 miles (6 km) north of Moab, Utah. In excess of 2,000 common sandstone curves are situated in the recreation center, including the notable Delicate Arch, just as an assortment of one of a kind land assets and developments.

A characteristic curve, regular scaffold, or (less usually) shake curve is a characteristic shake development where a curve has framed with an opening underneath. Regular curves ordinarily shape where inland bluffs, waterfront precipices, blades or stacks are liable to disintegration from the ocean, streams or enduring (subaerial forms).

4 0
3 years ago
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Research data that is presented using descriptive language is said to be __________. A. quantitative B. qualitative C. experimen
Alona [7]

Answer:

The answer would be B) Qualitative

5 0
3 years ago
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