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2 years ago

Evolution and natural selection are necessary for

Biology

2 answers:

stiks02 [169]2 years ago

8 0

Um... neeeed details plz!

Elena L [17]2 years ago

7 0

Answer: C)

the long-term survival of an entire species of organisms.

Explanation:

The long-term survival of an entire species of organisms. Individual organisms do not have to immediately adapt to an environment. However, an accumulation of useful mutations is necessary for a species to keep pace with changes in the environment.

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HEEEEEELP. PLEASEEEEEEEEEEEEE

8_murik_8 [283]

there you go ^^

hope i helped

Download pdf

6 0

3 years ago

Which of these does not occur in the Krebs cycle?

PilotLPTM [1.2K]

the answer you are looking for is B. Glucose is broken down into two pyruvate molecules.

this process occurs during glycolysis

5 0

3 years ago

Do Decomposers use carbon to make food molecules

babunello [35]

Answer: it releases it

Cellular respiration is done by decomposers to provide energy for themselves, and the molecules of the object the decomposers eat goes through cellular respiration. Eventually, the molecules from the object are released as CO2 and H2O because of cellular respiration, and CO2 and H2O are used in photosynthesis.

Hope this helps you:)

3 0

2 years ago

How does the shape of the earth affect our view of stars

Mrac [35]

The shape of the earth affects our view of the stars because since we are shaped a sphere, we get more of a view of many different stars and not much is blocking our view

7 0

3 years ago

A student noticed that the freshwater plant, Elodea, produced bubbles when placed in direct light. What could the student most l

erastovalidia [21]

Explanation:

-The increased light intensity increased the rate of photosynthesis.

Photosynthesis produces glucose and O2 from inorganic CO2, light energy and water. Since photosynthesis is rate limited, the rate of energy intake can be increased in order to speed up photosynthesis, by speeding up photolysis.

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

These end products, namely O2 and glucose are then used in respiration...

C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

The CO2 and H2O produced as waste in respiration can then be incorporated at the beginning of photosynthesis. Thus the reactions are cyclic- they feed into each other.

Further Explanation:

Photosynthesis is a chemical pathway that’s integral to producing energy in plants and other primary producers. Energy in the form of molecules of glucose is produced from light, water and carbon dioxide while oxygen is released. This occurs in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.

Occuring in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II.

Respiration and photorespiration both utilize oxygen for;

the production of ATP via the oxidization of pyruvate;
and the oxygenation of the molecule Ribulose 1,5-bisphosphate (RuBP), an organic molecule also used in photosynthesis, to form 3-PGA + phosphoglycolic acid,

∴ the rate of CO2 usage for photosynthesis where O2 is produced, outpaces the rate of O2 use in respiration and photorespiration.