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nadezda [96]
3 years ago
7

Describe the advantage of an excretory system for terrestrial animals

Biology
1 answer:
yaroslaw [1]3 years ago
7 0
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
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What is the most important part of the water cycle and why?
olga nikolaevna [1]

Answer:

evaporation, transpiration, condensation, precipitation, and runoff.

Explanation:

because it ensures the availability of water for all living organisms and regulates weather patterns on Earth

4 0
3 years ago
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A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have the normal number
Mnenie [13.5K]

Answer:

The correct answer is - option D. 1/2

Explanation:

Extra digits on hands and feet mean an individual has six fingers in each hand and feet, this is known as polydactyly. Polydactyly shows an autosomal dominant type of inheritance pattern.

In this case, the mother is normal so she must be recessive alleles and the first daughter is normal so the father must have a recessive allele which means he is heterozygous.

Cross:

Man = Dd

Woman = dd

Their children :

    D      d

d   Dd    dd  

d  Dd    dd

Probability of polydactyl child = 2/4 or 1/2 or 50%

6 0
3 years ago
Red squirrels and gray squirrels have been the native species on an island for many years. A few years ago, black squirrels ente
rusak2 [61]
I would say the food availability for gray squirrels will be affected because we do not know their diet. It also say that the red squirrels and the black squirrels have the same diets meaning less food on the Island for the grey squirrel( depending on what he eats. )
7 0
2 years ago
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Cell theory states
Roman55 [17]

Answer:

its c.

Explanation:

hope this helps

8 0
3 years ago
The sandstone arches found in arches national park, utah, are an example of _____ rock.
densk [106]

The sandstone arches found in arches national park, utah, are an example of Sedimentary rock. Sandstone is composed of cemented sand grains and is the cliff-forming rock commonly seen in southern Utah. Two famous formations are the Entrada Sandstone seen in Arches National Park, and the Navajo Sandstone (Checkerboard Mesa) in Zion National Park.

4 0
2 years ago
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