BIOLOGY HIGH SCHOOL

Cladodes are modified stems. Which is their main function? Water retention



Food storage



Photosynthesis

Answers

Answer 1
Answer: A cladode is defined as a  flattened stem or internode that is likened to a leaf including its functions as a leaf. It is an adaptation to reduce water loss, since it contains fewer stomata. Hence the answer to this problem should be A. water retention. 
Answer 2
Answer: "Photosynthesis" is the one among the following choices given in the question that describes the main function of the cladodes. The correct option among all the options that are given in the question is the third option or the last option. I hope that this is the answer that has actually come to your desired help.

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What is a limitation of using a chemical formula, such as C6H12O6, to represent a compound?

Answers

I think that one limitation of this chemical formula representation is that the bonds of each atom with one another cannot be seen. We cannot tell  what type of organic compound that is. It may be an alcohol, carboxylic acid or other types.

When a collision occurs between two reactant particles that, between them, have the required minimum kinetic energy, or activation energy, a product does not always form. Which of the following reasons explains this?A. low temperature

B. small surface area

C. unfavorable geometry

D. low concentration

Answers

I think the correct answer from the choices listed above is option C/ One reason that a product does not always form is due to unfavorable geometry of the reactants involved. When the geometry is not good for substances to react then no reaction can occur although there is enough energy present.

The correct answer is

C- unfavorable geometry

:)

Which mechanism do sponges possess that makes a predator think twice before attacking it?

Answers

Answer:

Sponges come under phylum Porifera. They exhibit cellular levels of body organization and are inactive in nature. The sponges are known to generate and discharge some kind of toxins. The discharging of the toxins may perform various activities like shielding themselves against the parasites and predators. However, these toxins are also considered to harm other sponges.  

This mechanism of sponges makes a predator think two times before attacking it. The sponge will generate toxins, which could disorder the metabolism of any species that try to eat them. However, the majority of the predators possess the tendency to detect the toxin via their sense of smell, and thus, helps them in avoiding the sponges.  
Sponges possess the defense mechanism of releasing toxins that make a predator

If a liquid is sealed in a container and kept at constant temperature, how does its vapor pressure change over time?a. It continues to steadily increase.
b. It increases at first, then remains constant.
c.It increases at first, then decreases.
d. It continues to steadily decrease.

Answers

If a liquid is sealed in a container and kept at a constant temperature, the vapor increases at first, then remains constant. The correct answer is B. 

An interaction between two organisms in which one usually benefits is known as

Answers

Symbiotic relationship /Interaction  

In a symbiotic relationship, two organisms live in close association and at least one of them is benefited out if this association.  

There are basically three types of symbiotic relationships –

a) Mutualistic Relationship – In this both the organisms living in association get benefited.  

b) Commensalism Relationship – In this association, one organism is benefited while the other is neither benefited nor harmed

c) Parasitic Relationship – In this association, one organism is benefited while the other one is harmed.  

Answer:

Symbiotic

Explanation:

What are nocturnal animals

Answers

- - A nocturnal animals and animals that are able to sleep during the day and be awake at night

A good example of this is a rat.
They are nocturnal because they are awake at night and sleep during that day.

- - Hope this helps! - - 
They sleep during the day and come alive at night.
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