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Katena32 [7]
3 years ago
13

List two reasons why amphibians must live in moist environment.

Biology
2 answers:
Natali5045456 [20]3 years ago
8 0
Their skin is thin so they're prone to drying out and they cannot hold moisture in their bodies(Waterproof skin)
kumpel [21]3 years ago
7 0
They reproduce in the water and they dry out quickly without water
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Examine the information provide below. Then use DNA strand or the amino acid sequence to help construct the missing mRNA strand.
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According to the information given, the missing mRNA sequence strand is the 4th from the given option which is AUG AAA CGU CCU. As the complementary of A in RNA is U, G is C and for T is A.  

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Identify the niche of the deer
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A land developer and several ecologists are discussing how a parcel of private land should be developed with housing while savin
FromTheMoon [43]

Options for the question have not been provided. They are as follows:

A) The single intact parcel would have a smaller amount of edge than the 20 separate parcels.

B) The isolated hectare plots increase the ability of individuals to disperse from one habitat to another.

C) The separate 1-hectare plots are less vulnerable to edge effects.

D) The large plot will create more inbreeding in many species.

Answer:

A) The single intact parcel would have a smaller amount of edge than the 20 separate parcels.

Explanation:

In the given case, 20 hectares of land has been allocated to natural habitat. This means that natural flora and fauna will flourish here without any human interference. In this situation it is better to have an intact 20 hectares area at one side of the land, rather than having 20 separately spread out 1 hectare areas. This is because having one large piece of land at one side will reduce the edge effect.

Edges occur where two different habitats meet. While edges can be beneficial when it comes to natural habitats because the boundary habitat increases overall biodiversity, it can be detrimental when the edges are due to human settlements. It will be difficult to avoid human interference as the natural habitats are scattered among human settlements. Each individual plot will also get less area due to which it will be difficult for all the species to accommodate comfortably. Many animals can venture out in search of food which can be dangerous to both animals and humans. It is better to have a big separate land at one corner so that everyone can survive peacefully.

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3 years ago
Explain how a starfish's body plan and anatomy enables invertebrate to perform the essential functions it needs to survive.
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-Unique Feeding Ability: Sea Stars don't have mouths nor teeth to ingest food. Rather, these creatures have the ability to push open or turn their stomachs out and digest its food. After digestion, their stomachs retract back to their bodies. 
-Vascular System: How starfishes survive does not rely on having hearts, brains and blood. Rather, they use the seawater. The seawater serves as the one the circulates inside the sea stars' bodies and this is when nutrients and oxygen are being transported and absorbed. 
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