BIOLOGY HIGH SCHOOL

Life on earth would be impossible without photosynthesis. why ?answer in 3 points​

Answers

Answer 1
Answer:

Explanation:

If photosynthesis ceased, there would soon be little food or other organic matter on Earth, most organisms would disappear, and Earth's atmosphere would eventually become nearly devoid of gaseous oxygen.

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Which of the following does not represent the empty set?

Ø
{0}
{}

Answers

The correct answer to this question is {0} because 0 is a element in this set. {} Represents a equal set, and ∅ physically represents a empty set. 
This is easy, the answer is: Ø

What law of motion corresponds with the following statement?"A small car is easier to start moving than a large car."

-first law
-second law
-third law

Answers

The second law because the first law is an object that is in motion tends to stay in motion, the third law is for every action there is an equal or opposite reaction, The second law is The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.

Answer:

(B) Second Law

Explanation: hope this helps !

Which is true for both photosynthesis and cellular respiration?A.They are simple chemical reactions.B.They are complex chemical reactions.
C.They require light energy from the sun.
D.They require cells to use water.

Answers

Both the process photosynthesis and cellular respiration require cells to use water.

Further Explanation:

The photosynthesis process has two stages, that are light-dependent reactions and light-independent reactions. During the light reaction, there occurs the splitting of water that oxidizes the water molecules. During the dark reaction, carbon dioxide fixation is done by plants. It is the reaction wherein the water molecules get oxidized, and carbon dioxide gets reduced. The plants consume carbon dioxide and produce oxygen molecules during the photosynthesis process.  

Cellular respiration is a biochemical pathway during which the breaks down of glucose occurs, and ATP is generated. It is a redox reaction wherein substrates like glucose molecules are oxidized, and other molecules like oxygen are reduced. In anaerobic respiration, glucose is breakdown without oxygen. In the cellular respiration process, animal utilizes oxygen and glucose to produce water and carbon dioxide. Thus, both the process involves water either as a reactant or produces as a byproduct.

Learn more:

1. Learn more about carbohydrate monomer brainly.com/question/6947177

2. Learn more about core muscle stabilization brainly.com/question/1231927

3. Learn more about energy storage brainly.com/question/523624

Answer Details:

Grade: High School

Subject: Biology

Topic: Respiration

Keywords:

Photosynthesis, cellular respiration, dark reaction, process, oxygen, water, glucose, carbon dioxide, animal, plant, light-dependent reaction, oxidized, reduced.

Final answer:

Photosynthesis and cellular respiration are both complex chemical reactions, working in opposite directions but sharing deep molecular commonality and complexity.

Explanation:

The correct answer is B. Photosynthesis and cellular respiration are indeed both complex chemical reactions. While they function in contrast to each other, they share molecular commonality and complexity. Photosynthesis takes place in chloroplasts of plant cells, converting sunlight, carbon dioxide, and water into glucose and oxygen. On the other hand, cellular respiration in mitochondria of cells takes glucose and oxygen, releasing energy, carbon dioxide and water. Despite their functional contrast, they're both intricate, multi-stage processes involving a variety of enzymes and other molecules.

Learn more about Photosynthesis and Cellular Respiration here:

brainly.com/question/29771613

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In vertebrates, chemical messengers called hormones are secreted by the _____ system. endocrine excretory hormonal pituitary

Answers

The correct answer should be the endocrine system.

Hormones are secreted by endocrine glands in endocrine systems. Opposite of this would be the exocrine system consisting of exocrine glands.

The correct answer is endocrine system.

Endocrine system in vertebrates consists of endocrine glands. Endocrine glands do not have ducts thus, they are also called as ductless glands. The glands which secretes enzymes are glands with duct, called exocrine glands.    Therefore, the hormones secreted from endocrine glands are directly poured into the blood for the action on target organs. Examples of endocrine glands are pituitary gland, thyroid gland, adrenal gland.  

A 911 call is made to police. Upon arrival to a crime scene, investigators discover the body. Instar I and Instar II maggots are found on the body. What was the approximate PMI of the victim? (Assume normal temperatures and conditions)

Answers