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dexar [7]
3 years ago
9

Only inherited ____ differences that can be passed on are acted upon evolution.

Biology
1 answer:
klasskru [66]3 years ago
4 0
Evolution is all about the process of inheriting characteristics within a population change over generation.

Only inherited traits differences that can be passed on are acted upon evolution.

<span>In the study, the humans select desirable traits that can be passed from one generation to another.</span>

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Which of the following statements about the equilibrium theory of island biogeography is FALSE?
Ksivusya [100]

Answer:

b) At equilibrium, the species composition of an island will not change.

Explanation:

The Theory of Island Biogeography written by Robert H. MacArthur and Edward O. Wilson (1967) is an essential book for any professional working in biogeography, biodiversity, ecology, conservation and related fields. The theory of island biogeography states that species diversity on islands tends to approach a dynamic equilibrium due to the balance between colonization (inmigration), speciation and extinction. At equilibrium, the species composition of an island will change, precisely at the time that immigration and extinction processes maintain the number of species in a dynamic equilibrium, thereby maintaining species diversity. In this case, the colonization rate represents a function of distance to the continent (or other islands), the extinction rate is a function of the size of the island and habitat heterogeneity, and speciation is a function of time. This book also contains a series of useful considerations: 1-the number of species in an area is directly associated with the size of the area; 2-large islands support more diverse communities than small islands; 3-the viability of populations on island systems can be considered as a function of the island size and its proximity to the mainland (or other islands); and 4- when a habitat is lost the remaining fragmented area may lose some of its important species.

4 0
2 years ago
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What causes diffusion? *
koban [17]

Answer: Diffusion occurs due to the random movement of particles. It usually happens due to a concentration gradient, meaning that molecules move from an area of high concentration to an area of lower concentration.

Explanation:

7 0
3 years ago
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How has the geographic range of koalas changed over time ?
Rus_ich [418]

Answer:

<u>Shrinking habitat because of habitat distruction,</u> is changing the geographic range of koalas. Because of this koalas are coming in contact with humans and domestic animals and getting hurt/killed while searching for food since there isn't enough in the wild.

7 0
3 years ago
What is free nitrogen?
Marat540 [252]

Answer:

Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. ... So basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen

Explanation:

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3 years ago
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In the alveolus pictured above, a disease or
Inessa [10]
<h2><u>Full Question:</u></h2>

In the alveolus pictured above, a disease or injury to which structures would reduce the ability of oxygen to diffuse from the alveolar space to the capillary?

A. A and B

B. B and C

C. B and D

D. A and D

<h2><u>Answer:</u></h2>

The correct answer is option D.

<h3><u>Explanation:</u></h3>

Alveoli is defined as the unicellular thickened sac like structure of lungs which helps in exchange of gases in lungs. The exchange membrane of lungs comprise of three structures -

A. The epithelium cells of Alveoli,

B. The basement membrane of alveolar epithelium,

C. The endothelial layer of blood capillary.

The red blood cells described here won't cause any problems to the diffusion of gases from alveolar cavity to blood. The structures mentioned here as the type 2 cells of Alveoli which secrete lecithin, a surfactant which releases the surface tension of Alveoli. This compound prevents the Alveoli from collapsing and helps in diffusion of gases. The other structure mentioned here as D are the alveolar epithelium which is the unicellular thickened membrane of Alveoli, helping in gaseous exchange.

4 0
3 years ago
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