In ferns the spores develop on

there are three significant differences between a plant and an animal cell. Two are found only in plant cells and one has a very

Ierofanga [76]

Answer:

cell wall, vacuole and chloroplast

8 0

3 years ago

Primary source of energy for earth's weather systems

harina [27]

The sun.
I hope this helped

4 0

4 years ago

The San Marcos salamander, Eurycea nana, is a light reddish-brown translucent salamander about 2-5 cm in length. E. Nanais found

Scrat [10]

Complete question:

The San Marcos salamander, Eurycea nana, is a light reddish-brown

translucent salamander about 2-5 cm in length. E. nana is found only in

Spring Lake and a portion of the San Marcos River.

Which human activity would most likely decrease the ability of the

salamanders to survive?

The addition of a new food source into the river that limits competition for

resources

Tourism that helps fund the educational programs related to river ecosystem

conservation

Public transportation that reduces the number of automobiles that contribute to

pollution runoff into the river

Increasing water consumption that decreases the flow of clean water from the

springs that feed the river

Answer:

Increasing water consumption that decreases the flow of clean water from the springs that feed the river

Explanation:

In this question we are required to state the human activity that may likely cause the reduction in the survival rate of the salamander.

the first three options in the question are not the answer to this question. this is because options 1,2,3 would have positive impacts on the Salamander. these positive impacts would increase the ability of the salamander to survive and not decrease it as the question says.

the correct answer is the last option. that is the 4th option. because it has to do with decreasing the amount of water that flows in to the Salamanders habitat by human activities. if humans increase water consumption, then the flow of clean water would reduce. This would then have a negative effect on the Salamander.

6 0

3 years ago

The _____ works with the Environmental Protection Agency to enforce marine biology regulations along the coast and in the Great

likoan [24]

The Coast Guard works with the Environmental Protection Agency to enforce marine biology regulations along the coast and in the Great Lakes channels.

Answer: Option A

Explanation:

The Environmental Protection Agency (EPA) takes initiative to instill certain regulations to maintain the Ocean and its resources with the help of coastal guards and NGO’s. The Ocean coast is polluted due to various avoidable and unavoidable pollutants like oil leakage, industries letting in their waste, ship wrecks etc.

President Richard Nixon was the one who created this EPA. The EPA takes utmost care by educating the people of the necessity to maintain the coast in a disciplined attitude so as to have a pollution free oceanic coast which would in turn not adhere into the relevant working stream. Avoiding litter is the main rule that has been imposed.

5 0

3 years ago

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In simple dominance, what is the result when a dominant allele pairs up with a recessive allele?

gizmo_the_mogwai [7]

According to Mendel's law of dominance,

in such a situation the dominant allele is displayed externally while the recessive allele remains masked i.e, the recessive remains in the genotype along with the dominant allele while in its phenotype, only dominant remains.

7 0

3 years ago

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