The three levels of biodiversity are genetic diversity, species diversity, and ecosystem diversity.
Genetic Diversity: Genetic diversity refers to the variety of genes within a species. It includes the different alleles and variations present in the gene pool of a population. Genetic diversity is important because it provides the raw material for adaptation and evolution. A higher genetic diversity within a species increases its ability to survive and thrive in changing environments. It also helps in disease resistance and overall population health.
Species Diversity: Species diversity refers to the variety of different species present in a particular area or ecosystem. It measures the number of different species and their relative abundance. Higher species diversity indicates a healthier ecosystem and greater ecological resilience. Each species plays a unique role in the ecosystem and contributes to its stability and functioning. Loss of species diversity can disrupt ecosystem balance and lead to negative impacts on other species and ecosystem processes.
Ecosystem Diversity: Ecosystem diversity refers to the variety of different ecosystems or habitats within a region or on a global scale. It encompasses the different types of ecosystems such as forests, grasslands, wetlands, coral reefs, and more. Each ecosystem has its own set of species, interactions, and ecological processes. Ecosystem diversity is essential for maintaining ecological functions, nutrient cycling, and providing various ecosystem services such as clean air, water, and food. It also supports the resilience and adaptability of ecosystems to environmental changes.
These three levels of biodiversity are interconnected and mutually dependent. They provide the foundation for the functioning and sustainability of our planet's ecosystems. Protecting and conserving biodiversity at all levels is crucial for the well-being of both human populations and the natural world.
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Umm.. What is the answer then please help
option a is the answer because electricity need much water
True or false, a battery like a duracell or energizer battery stores the energy we get from it as nuclear energy? True False
Answer:
true
Explanation:
My guess would be false, sorry if I'm wrong.
please help me frfrfr
Answer:
Sexual reproduction
Explanation:
Dud this in Biology last year in 9th grade
If you were to test a small
sample of soda lime with
universal indicator would it
register a pH above or
below 7? Explain your answer
The soda contains CO2 that is dissolved CO2 reacts with water
CO2+H2O--->H2CO3
to form carbonic acid
this is a weak acid but it gives protons to water
H2CO3+H2O-->-HCO3+H30+
pH=-lg[H3O+]
[H3O+] is the molar concentration
Therefore the acid present in the solution causes the pH to be lower than 7. It can either be the H2CO3 if it is a carbonated beverage or citric acid from lime juice.
Your skin cells and muscle cells have different characteristics. Finish this statement: The proteins in your skin cells and muscle cells are
a
the same
b
different
Answer:b
different
Explanation:
fewrfragaggrw gfrgawgargg
ASAP I WILL MARK BRAINLIST
When will natural selection occur?
A.When there is no competition
B.When there is limited food
C.When there are plenty of resources
D.When there is no genetic variation
Answer:
B
Explanation:
Natural selection occurs when there is competition, limited food. Thus A and C are wrong. D is also wrong, genetic variation has major influence.
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Answer:
b
Explanation:
help please and thank you.
What is the purpose of DNA replication in the cell cycle?
O A. to replace old DNA
O B. to increase genetic diversity
OC. to have two copies of each chromosome
OD. to help the cell grow larger
Which of the following are likely to form an ionic bond?
O copper atoms
o hydrogen and oxygen atoms
O copper and fluorine atoms
hydrogen atoms
What is the function of ribosomes?
a
Ribosomes build mRNA
b
Ribosomes build tRNA
c
Ribosomes build proteins
d
Ribosomes build DNA
e
Ribosomes build rRNA
Answer:
b
Explanation:
Some volcanoes have the potential to affect the entire Earth
True or False
Answer:
True
Explanation:
An example could be the Yellowstone supervolcano; if it erupts, it has the potential to have a massive affect on the planet.
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Guard cells regulate which characteristic of life?
A
Every living organism is made of cells.
B
All living things are composed of DNA.
C
All living things grow.
D
All living organisms strive for balance through homeostasis.
Answer:
a
Explanation:
it helps celluar function
This is urgent; please answer quickly.
Answer:
The correct answer is option C. the movement of water from the central vacuoles of the cells into the solution.
Explanation:
In the given question onion cell was initially in 1% NaCl solution later student increase the concentration of the NaCl in the solution which makes the solution hypertonic.
A hypertonic cell is a solution with less water or more solute. Increasing salt concentration makes solute concentration high than inside the cell. Cell shrink in this case due to the osmosis or water movement from the high concentration region of water to the low concentration of water region.
A bat is a mammal even though it flies in air why
Answer:
Explanation:
Bats are classed as mammals, but as the only flying mammal, people often ask me why they are mammals and not birds. In this article, I look to find out whether they possess all the mammalian traits. Bats are mammals because they breathe air, give birth to live young, provide milk to their young, have fur, and are warm-blooded.
Answer:
Cause it breathes oxygen
Explanation:
Becasue it does
Which of these organisms would most likely be found at the top of an energy pyramid?
A. clams - a primary consumer
B. sardines - a primary consumer
C. sharks - a secondary consumer
D. kelp - a primary producer
Answer:
sharks
Explanation:
Because they are the ones to get the last bit of energy. Secondary consumers are the group in the food chain that eats primary consumers. This means that secondary consumers can either be omnivores or carnivores. These terms refer to whether or not they eat just meat or a varied diet. Secondary consumers don't need to have a specific diet.
The energy pyramid is a representation of the producers and consumers along with the flow of energy. The sharks will be at the top of the energy pyramid. Thus, option C is correct.
What is an energy pyramid?An energy pyramid is a graphical representation of the biomass of the producers and the consumers of the ecosystem. It consists of the trophic levels that have designated producers, primary consumers, and secondary consumers.
A producer is at the bottom of any energy pyramid as they produce the foods for the primary consumers that are most likely herbivores. The secondary or the tertiary consumers are at the top.
Therefore, option C. sharks being secondary consumers are at the top of the pyramid.
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Please Answer this one MCQ. I am in trouble please help ..
Answer:
H is a motor nueron
J is the sensory nueron
G is the internueron
Explanation:
Your drawing seems a little bit of so I hope I get it right!. I know that Relay neurons are found in the brain and spinal cord and allow sensory and motor neurons to communicate. Motor neurons are found in the central nervous system and control muscle movements.
GUYS PLEASE HELP!!!!!
The models represent the stages of the cell cycle in the random order.
in
M
VI
Which stage of the cell cycle shows the formation of spindle fibers and chromatin condensing into chromosomes?
OL
O V
M
IV
Plweassse answer for me
Answer:
1 e
2 d
3 b
4 a
5 c
Because the DNA is being recombined with other DNA.
are based on common human or environmental properties, such as
population, average temperature, and political boundaries,
O A. Physical regions
O B. Functional regions
O C. Perceptual regions
D. Formal regions
The image shows a mountain peak in Asia.
A snow covered mountain top.
Which force most likely created this mountain?
compression
gravity
shearing
tension
Answer:A- compression
Explanation:
Answer: a
Explanation:
took test
Which of the following is not a function of the circulatory system?
circulate gases
circulate waste and nutrients
fight off infection
absorb nutrients
Answer:
I believe it is D. Absorb nutrients
Explanation:
The primary function of the circulatory system is to circulate nutrients, oxygen, cardon dioxide, and blood. It CIRCULATES nutrients not absorb.
I hope this helps.
Compare and contrast the various types of grasslands.
There are two main kinds of grasslands: tropical and temperate. Examples of temperate grasslands include Eurasian steppes, North American prairies, and Argentine pampas. Tropical grasslands include the hot savannas of sub-Saharan Africa and northern Australia.
Hope this helps!
What factor determines the pathway that pyruvic acid takes after leaving glycolysis?
Answer:
Explanation:
Answer Expert Verified. The presence of oxygen and levels of ATP.
How does melting glaciers affect the water cycle
Answer:
According to the National Snow and Ice Data Center (NSIDC), if all glaciers melted today the seas would rise about 230 feet (70 meters). During the last ice age (when glaciers covered more land area than today) the sea level was about 400 feet (122 meters) lower than it is today.
Explanation:
What will happen to a protein when the DNA codes for a different amino acid?
If a mutation occurs in the DNA let's say a point mutation only one of the base pairs will be different. The codon will be different so a different amino acid will be synthesized. Amino acids have different radicals with different functional group. Those radicals that differ from amino acid to amino acid determine the shape and function of the protein. Therefore a mutated gene will cause the synthesis of a protein with an altered shape and function. A good example is sickle cell disease. Where glutamic acid is replaced with valine and the beta chain of hemoglobin has a deformed shape and has an altered function(carries less oxygen).
During which two months do both the Northern and Southern Hemispheres receive the same amount of energy from the Sun?
Answer:
in March and September
Explanation:
it is
Answer:
its c
Explanation:
they both get the same amount of sun
NEED HELP!!!
In a certain species of plant, flowers can be purple or white. When a plant with white flowers (P 1) is crossed with a plant with purple flowers (P 2), all offspring have purple flowers (F 1).
a. Determine which trait is dominant and recessive, and prove it with a Punnett square.
b. Show a Punnet square for a cross that allows F 1 to self-pllinate.
Answer:on part A,the white trait is recessive,and the purple trait is Dominant.
Explanation:
What is artificial selection?
A.When a new allele is formed by mutation
B.When humans breed an animal for a certain trait
C.When extreme traits are selected by nature
D.When 60 percent of a species dies at one time
The answer is B since that's the definition of artificial selection ,selective breeding made by humans
What is the building block of all living things?
Answer:
cell
Explanation:
is a building block of living things
