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blsea [12.9K]
3 years ago
15

A(n) _____ is a possible explanation or an answer to a question that can be tested.

Biology
1 answer:
ValentinkaMS [17]3 years ago
3 0
Im pretty sure its hypothesis

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Maria is a sedentary, 68-year-old woman who is overweight. She complains that her hands and feet are always cold and she tires q
Mama L [17]

Answer:

Reasons why Maria will have tissue ischemia:

1. Because of evident problems with her blood circulation, this means insuficent blood flow. This shows in the edema she has.

2. The ischemia can lead to hypoxia because of the lack of oxygen in the blood stream to reach to the tissue cells.

Explanation:

Ischemia is a health problem characterized by the lack of oxygen that the bloods transports to the tissues in the body.

Hypoxia is related to the unsuficient oxigen supply gettin to a certain regions of the body or to the entire body.

6 0
3 years ago
Read 2 more answers
Some digestive products, such as water and electrolytes, will be absorbed by diffusion. They diffuse from an area of ___________
Montano1993 [528]

Answer: Higher concentration; Lower concentration.

Explanation: The food that we eat undergoes digestion and breaks down into smaller components.

These small components of the food needs to be absorbed first by the process of diffusion.

The water molecules along with the electrolytes are absorbed from an area of its higher concentration in the lumen is transported to area where its concentration is very low.

Hence, the correct answer is diffusion, which is responsible for the transportation of products from one place (higher concentration) to another parts (lower concentration)in the body.

8 0
3 years ago
Which of the following is a behavioral adaptation of the Venus fly trap?
Neko [114]


The correct answer is A - leaves that close when touched.

The Venus flytrap is a type of flowering plant that is best known for its unique adaptation to trap live insects using a trap.

The trap is made up of two hinged lobes at the end of each leaf, with hair like projections called trichomes that cause the lobes to snap shut when prey comes into contact with them.

This type of movement is called thigmonasty which is a non directional plant response to being touched.

8 0
3 years ago
A cell in the body is recognized as "self" by its _________ and is therefore not targeted by the immune response for destruction
otez555 [7]

Answer:

C

Explanation:

The major histocompatibility complex (MHC) is a group of genes whose function is to codify proteins that participate in the immune response, helping the system to <u>recognize foreign substances to develop an immune response</u>.

<u>Histocompatibility or compatibility of tissue </u>is given by self-identifications molecules (antigens) located on the surface of cells, membrane, these molecules are almost <u>unique to each person</u>, letting the body to distinguish self from non-self.

7 0
3 years ago
Someone please help I don't understand ​
Naddik [55]

Answer:

The chemicals left over after a chemical reaction are substrates or resultants.

yellow represents carbon so there are 6 carbon atoms.

blue represents hydrogen/water atoms so

Red represents the oxygen atoms bonded to the hydrogen atoms.

4 0
3 years ago
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