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Colt1911 [192]
2 years ago
15

A student hypothesized that pillar coral digest zooxanthellae for energy. Which prediction is based on the student's hypothesis?

Biology
2 answers:
Naya [18.7K]2 years ago
6 0
D. If pillar coral digest zooxanthellae, then the zooxanthellae inside the pillar coral must be dead.
Nana76 [90]2 years ago
6 0

The correct answer is option D

According to this hypothesis that pillar coral digested zooxanthellae, the coral digested zooxanthellae inside the pillar coral must be dead. If anything  is engulfed then it should be first dead inside the body of the predator and then the energy is extracted from the food. The food eaten serves as a source of energy.


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A cylinder at left with balls evenly spaced throughout the cylinder has an arrow leading to a cylinder at right cylinder with ba
nata0808 [166]

Answer:

C. Atoms lose energy as a gas changes to a solid.

Explanation:

Physical changes of matter take place by adding or removing energy from the matter.

In the given images, The<em> left cylindrical is showing gas phase while the right cylindrical is showing a solid phase.</em>

The process of conversion of gas into solid is called deposition. Deposition process takes place when atoms lose their energy and have high kinetic energy so they directly convert into solid and not into liquid.

Hence, the correct option is "C".

3 0
3 years ago
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What connection is there between Photosynthesis and Glucose production
attashe74 [19]

Answer:

The relationship between photosynthesis and cellular respiration is such that the products of one system are the reactants of the other.

Explanation:

For example, the output of photosynthesis is the input of glucose production or cellular respiration. The output of glucose production is the input of photosynthesis. Photosynthesis involves the use of energy from sunlight, water, and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.  To emphasize this point, even more, the equation for photosynthesis is the opposite of cellular respiration.

7 0
3 years ago
Explain the thermal properties of water
Zinaida [17]

Answer:

A glance of earth taken from space will depict it blue. This blue colour is actually water, the major part of the earth is covered with water. We need water for almost everything, for example- drinking, bathing, cooking etc and therefore we should know about the properties of water. 65 % human body is composed of water. Water is essential for the survival of life on earth. Water is distributed unevenly on the earth’s surface. It forms a major solvent and dissolves almost every polar solute. So let us have a look at its properties.

Physical properties of water : Water is a colourless and tasteless liquid. The molecules of water have extensive hydrogen bonds resulting in unusual properties in the condensed form. This also leads to high melting and boiling points. As compared to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment etc. These properties form the reason for its significance in the biosphere. Water is an excellent solvent and therefore it helps in the transportation of ions and molecules required for metabolism. It has a high latent heat of vaporization which helps in the regulation of body temperature

Chemical properties of water: Amphoteric nature:

Water can act as both acid and base, which means that it is amphoteric in nature.

Example:

Acidic Behaviour: H2O(l)+NH3(aq) ⇌ H3O+(aq)+NH+4(aq)

Basic Behavior: H2O(l)+H2S(aq) ⇌ H3O+(aq)+HS−(aq)

Redox reactions:

Electropositive elements reduce water to hydrogen molecule. Thus water is a great source of hydrogen. Let us see an example in this case:

2H2O(l)+2Na(s)→2NaOH(aq)+H2(g)

During the process of photosynthesis, water is oxidized to O2. As water can be oxidized and reduced, it is very useful in redox reactions.

Hydrolysis reaction

Water has a very strong hydrating tendency due to its dielectric constant. It dissolves many ionic compounds. Some covalent and ionic compounds can be hydrolyzed in water.

Explanation:

7 0
2 years ago
3. The allele for round seeds is represented by R.
lutik1710 [3]

Answer:

rr

Explanation:

Alleles that are recessive will be lower case. Alleles that are dominant are upper case. Since we have two recessive alleles represented by 'R', the alleles would be written as 'rr'.

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2 years ago
Describe the earths inner core and please dont copy the answer from somewhere else
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The earth's inner core is the innermost layer of the earth. Primarily, it is a solid ball composed of an iron-nickel allow and some other elements, which holds a radius of about 1,220 kilometers.

4 0
3 years ago
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