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vampirchik [111]
3 years ago
14

What can biodiversity contribute to an ecosystem?

Biology
1 answer:
elixir [45]3 years ago
4 0

Answer:

Biodiversity boosts ecosystem productivity where each species, no matter how small, has an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all forms of life.

Explanation:

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In the small intestine, where are fatty acids and monoglycerides absorbed?
Inessa [10]

Answer:B

Explanation:when fat are ingested,it has to be emulsified and broken down into monoglycerides,fatty acids.these molecules have a polar hydrophilic end and a non polar hydrophobic end .the fatty acid and monoglycerides that enter the cells of the mucosa are formed back into large tryglycerides molecules ,which then forms chylomicros, which are water soluble.they then pass into the lacteal vessels from where there are Transported to meet the body's needs

5 0
3 years ago
Match the terms to their definition. 1. chromosome a cell whose nucleus is not bound by a membrane 2. eukaryote a genetic charac
yanalaym [24]

Answer:

1. chromosome: tight coils of DNA

2. Eukaryote: a cell that has a membrane-bound nucleus

3. Gene: a specific sequence of DNA nucleotides that carry hereditary traits

4. Prokaryote: a cell whose nucleus is not bound by a membrane

5. Trait: genetic characteristic of an individual

Explanation:

Chromosomes are the thread-like structures that appear during cell division. Each chromosome is made up of DNA tightly coiled with its packing proteins.  

A cell is defined as eukaryote or prokaryote on the basis of the presence of a membrane-bound nucleus. The cells that lack the membrane-bound nucleus and other membrane-bound organelles are called prokaryotic cells. Example: bacteria.

The cells that have a membrane bound nucleus in which DNA is present are called eukaryotic cells. Example: Plant cells.

A stretch of DNA that code for a particular protein and thereby regulate specific genetic trait is called a gene. Genes are present on chromosomes and are carried from one generation to next to maintain the genetic traits.

The features of living beings regulated by the gene are called trait. Example: skin color, eye color, etc.  

6 0
3 years ago
Which two events occur when gravity causes a nebula to collapse into itself?
blsea [12.9K]

The two events that occur  when gravity causes a nebula to collapse into itself are:

A. Nuclear fusion start.

B. A new star forms.

Explanation:

  • Nebula are giant clouds of dust and gases.
  • These clouds are considered as progenitors of stars and planets.
  • The gravitational pull within these giant clouds result these large masses to collapse towards their centre.
  • The gravitational collapse results in tremendous rise in temperature till a point where nuclear fusion begin .
  • The stars are born out of such mechanism and act as a source of heat and light in universe.
3 0
3 years ago
How does the structure of the small intestine help it to perform its function?
Mumz [18]

The correct answer is:

D .Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.

Explanation:

The small intestines are well adjusted for absorbing nutrients during digestion by being very long, having villi and microvilli that enlarge surface area, using muscular contractions to move and mix food, and raising and housing digestive enzymes and bile that aid the breakdown of food. The inner surface of the small intestine is not flat but thrown into circular folds, which not only enhance surface area but aid in preparing the ingesta by acting as baffles. Villi: the mucosa makes multitudes of ridges which project into the lumen and are satisfied with epithelial cells.


5 0
3 years ago
Read 2 more answers
What type of biodiversity restoration are biologists practicing when they plant nitrogen-fixing plant species in an area where t
RSB [31]

Answer:

The type of biodiversity been practiced is REFORESTATION .

Explanation:

Reforestation is the deliberate or natural process by which destroyed plants are re-planted in a particular forest. Deforestation usually brings about destruction of different plants species and this normally throws the ecosystem out of balance. The negative process can be reversed by mean of reforestation, in which new plants are planted in the place of the destroyed ones.

3 0
3 years ago
Read 2 more answers
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