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katrin [286]
3 years ago
12

Why is distinction of crude density and ecological density necessary? and which one of these densities are greater?

Biology
1 answer:
Ronch [10]3 years ago
3 0

Answer:

Distinction of crude density and ecological density necessary and which one of these densities are greater is explained below in details.

Explanation:

Density measure in courses of the amount of territory possible as existence reservation is ecological density. Crude density incorporates all the property within the animal's reach whereas ecological density incorporates only that division of property that can actually be established by the species.

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Which of the following clades is most likely to survive a series of catastrophic events over time? (1 point)
marishachu [46]
The correct options are as follows:
1. D.
<span>A clade refers to a group of organisms that are made up of evolutionary descendants that originated from a common ancestor. A clade that will survive a series of catastrophic events must be one that is made up of distantly related and diverse species. This is because, those species will have different type of adaptability capacity and will be able to adapt in different ways to the catastrophic events. Due to the differences in their ability to adapt, some of the specie will survive the catastrophic events even if others are wipe out.

2. B.
The mass extinction of one specie usually creates space for another new specie to survive. The new specie that survive the old one may possess the ability to adapt to the event that wipe out the former set of living organisms and thus, the new specie will be able to occupy and reproduce in their new space. Mass extinction is said to occur when the whole population of living organism living in an ecosystem are wipe out as a result of unfavorable conditions.

3. B.
Convergent evolution refers to the independent evolution of similar features in species that arise from different lineages. The species involved usually evolve these traits as a result of having to adapt to similar environments. Convergent evolution usually result in evolution of analogous structures, that is, structures that have similar forms or functions but which are not present in the last common ancestors of the species.

4. C.
 In evolution, gradualism refers to theory that states that evolution occurs slowly and gradually, thus, large changes in evolution are actually product of small changes that occur over a long period of time. The theory of gradualism was originally proposed by James Hutton in 1795.

 5. C.
Mass extinction refers to the wiping out of a a large number of species within a very short time. Mass extinction can occur as a result of severe unfavorable conditions that all the species in an ecosystem can not adapt to. An instance of this is a drastic decrease in global temperature after several massive volcanic eruptions.</span>
8 0
3 years ago
Why is cell called the fundamental unit of life ​
Karo-lina-s [1.5K]

Answer:

Cell is called the Fundamental Unit of Life Because all basic metabolism activity starts from the cell. Inside the cell, energy is produced , food is stored and many more activities take place

it is structural and functional unit of living beings

it includes all the activities of cells

it is there in each and every life process

7 0
2 years ago
Read 2 more answers
True or false: the rda is designed to be averaged over several days.
jok3333 [9.3K]

Hi,

The rda is designed to be averaged over several days.

- true

(average across a number of days, because body is good at storing based on solid, reliable evidence and observations).

5 0
3 years ago
Read 2 more answers
Subunits of skeletal muscle fibers that are composed of sarcomeres are called ________. Subunits of skeletal muscle fibers that
Elanso [62]

Answer:

The correct answer is myofibrils

Explanation:

The fundamental part of the muscle cytoskeleton is made up of myofibrils that are the contractile elements of skeletal muscle cells.Muscle fibers are made up of myofibrils, membranes, and cytoskeletal networks that anchor contractile fibrils to the sarcolemma. Myofibrils are composed of repeating contractile units known as sarcomeres and are perhaps the most ordered macromolecular structures in eukaryotic cells. Myofibrils are made up of actin and myosin filaments that are large polymerized protein molecules responsible for actual muscle contraction.

4 0
3 years ago
PLEASE HELP WITH THIS ONE QUESTION
forsale [732]

Answer:

The fist option!

Explanation:

The energy investment phase of glycolysis involves the investment of two ATP molecules and results in the formation of two molecules of glyceraldehyde phosphate. Two molecules of NADH + H+ are produced. This is an example of a coupled reaction.

Hope this helps!

3 0
2 years ago
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