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ZanzabumX [31]
3 years ago
12

Large lava flows can destroy all of the plants in an area. However, rock formed by lava flows often has nutrients that are benef

icial to plants. Sediment from this rock can enrich soil.
Some lichens are pioneer species that can grow on rocks. How can lichens help other plants repopulate an area cleared by a large lava flow
va flow?
A.
by protecting other organisms from uncovered rock
B.
by destroying organisms that grow before pioneer species
C.
by breaking down rock into small pieces
D.
by providing competition for resources
Biology
1 answer:
Rudik [331]3 years ago
4 0

Answer:  C  by breaking down rock in to small pieces

Explanation:

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Assume that you are a national official with the power to set policy for controlling environmental mercury pollution (Core Case
Kazeer [188]

Answer:

The policy for controlling environmental mercury pollution should address ways to prevent and control this pollution.  Policy:

  • Ban the incineration of waste
  • Require that coal-burning companies remove mercury from the coal
  • Allocate funds towards research and development for renewable energy resources in the hopes of switching away from coal.
  • Require that products containing mercury be labeled as such.
  • Set up programs that will recycle batteries and mercury-filled products.
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This policy works by addressing the ways to prevent and control mercury pollution.

Three problems that could result from implementing this policy:

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Coral reef ecosystems support over a million different species. <br> True or False
Fiesta28 [93]
True millions of different species live on coral reefs
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How do fungi differ from plants
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8 0
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The common garter snake (Thamnophis sirtalis) is found throughout North America. In the South, it is active year round. In the N
Stells [14]

Answer:

The common garter snake (Thamnophis sirtalis) is found throughout North America. In the South, it is active year round. In the North, it is active during the warmer months but hibernates during the winter. It is commonly found basking on warm rocks during cool mornings. This lifestyle indicates that the snake is probably <u>heterothermic</u>.

Explanation:

Being heterothermic, like all reptiles, garter snakes bask in the sun to regulate their body temperature. During brumation (the reptile equivalent of hibernation), garter snakes typically commonly den together. Sometimes there will be as many as 100 snakes in one cave. A large, communal or group site is called a hibernaculum they occupy is called hibernacula. These snakes will migrate large distances to brumate.

Snakes do not actually hibernate, rather they become less active during cold weather. It is called "brumation."  Brumation is an extreme slowing down of their metabolism. Snakes are awake, but just very lethargic so you don't see them moving around.

During fall, snakes go back to the previous year’s den. When a sudden cold catches them before they get there, they may die if not fortunate enough to  find a suitable secondary den. They usually do not stay long at the den entrance, but hurry in for the long winter sleep.

Cold-blooded animals like snakes, fish, frogs, and turtles need to spend the winter inactive, or dormant,  because they have no way to keep warm. Snakes will crawl into any area free from frost such as caves, hollow logs, holes under trees and stumps, under wood piles, in other animal's burrows, and occasionally in a person's basement.

7 0
3 years ago
Explain the importance of the nitrogen base and their role in preserving the code
sukhopar [10]

Ans.

Genetic codes provide information for the protein synthesis as each code specifically codes a particular amino acid that gets joined in polypeptide chain during the process of translation.

Each genetic code is three letter code, made up of three nitrogenous bases. There are four different bases in DNA or RNA that make sixty four codes with different combinations, out of which sixty one code for amino acids and three act as stop codons.

Thus, nitrogenous bases are important in preserving the genetic codes.

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