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Ne4ueva [31]
3 years ago
10

What could a human living now and a horse living thousands of years ago have i'm common

Biology
1 answer:
nalin [4]3 years ago
3 0
They are made of some of the same matter
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What will happen if a drought causes the population of grass to decrease?
Effectus [21]

Answer:

The other populations will decrease.

Explanation:

If the grass population decreases, then the grasshoper population will decreace, causing the mice population to decrease, which will lead to the decrease in owl population.

4 0
3 years ago
Read 2 more answers
The white mater is composed of
ratelena [41]

Answer:

The correct answer is option A.

Explanation:

White matter is the component of CNS which consist neuron cell bodies or myelinated cell axons or nerve fiber collectively known as fiber tracts mainly. Glial cells also one of the component of white matter, made up of few sulci and gyri. White matter makes superficial regions of the spinal cord and deep parts of the cerebrum.

The neuron cell bodies of white matter sends signals to neurons and each other. White matter regulates the action potentials function as coordinators in between brain parts.

Thus, the correct answer is option A.

4 0
3 years ago
Assume that while on a biology field trip, you find an unusual insect that you and several other biologists are unable to identi
Basile [38]

Answer:

To describe a new specie, it has to be carefully examined in order to determinate that it doesn´t belong to an another specie already described.

Once it has been determinate the novelty of the specie, the researchers write a formal description of it, takes pictures and name it with the new scientific name. Then, the researchers refer it to a scientific magazine.   The editor of the publication will comunicate the new discovery to an experts in that gender.   If the experts agreed, and the publication accept the study, the specimen converts to a new specie.   The process is long and could take years betwen the inicial discovery and the formal acceptation of the new specie

Explanation:

4 0
3 years ago
List the 4 abiotic forms of nitrogen cycle and the chemical formula
weeeeeb [17]

Answer:

Four abiotic forms of nitrogen cycle and its chemical formula

Ammonium – NH^{4+}

Ammonia – NH^3

Nitrite – NO^2

Nitrate – NO^3

Explanation:

Ammonium: In the nitrogen cycle ammonium is starting point that is present in soil and are converted to various forms by different process.

Ammonia: In the process of nitrogen fixation, the bacteria having nitrogenase enzymes reacts with the nitrogen as well as hydrogen and produces the ammonia, which is further converted to organic compounds.

Nitrite: The nitrosomonas bacteria present helps in conversion of nitrogen gas into nitrite.

Nitrate: Again the Nitrite is converted into Nitrate by the nitrobacter. During the process of assimilation ammonium and nitrate are absorbed by the plants.

8 0
4 years ago
This pie chart presents data on sources of methane emissions in the United States between 1990 and 2013. Which questions would h
Ira Lisetskai [31]
The question that will help to clarify the evidence in the chart is this: WHAT ARE THE OTHER SOURCES OF METHANE GAS THAT ARE RESPONSIBLE FOR 8% OF EMISSIONS.
From the pie chart given above, it can be seen that for all other values given, the processes that generate the methane gas was given except for that of other, which has the value of 8%. Knowing the processes that generate this percentage of methane gas will add more information to the pie chart.<span />
8 0
4 years ago
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