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icang [17]
3 years ago
13

Explain the carbon dioxide cycle. Use the words photosynthesis and respiration in your answer.

Biology
1 answer:
vovikov84 [41]3 years ago
7 0
DO You Still need an anwser to this question

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What’s the difference in independent variable, dependent variable and controlled variable.
Rus_ich [418]

Answer:

an independent variable is a variable that changes an a dependent variable is something that doesn't change

Explanation:

like if i put two fish is different size tanks and measured them after so long

measuring them would be dependent and putting them in different size tanks would be independent

6 0
3 years ago
Describe how the release of the neurotransmitter, dopamine, can result in addiction to tobacco products.
DaniilM [7]
Dopamine is a chemical released by neurons to send signals to other nerve cells. the brain includes several distinct dopamine pathways, one of which plays a major role in reward motivated behavior.
smoking is a habit, in a habit there is the cue, routine, and reward. with smoking the cue can be different things, most commonly stress or anxiety. the routine how you react to those cues, the reward is the chemical 'triggers' that are pulled inside you're brain leaving you feeling calm, happy, or relieved, etc.
3 0
3 years ago
Bird guides once listed the myrtle warbler and Audubon's warbler as distinct species Recently, these birds have been reclassifie
ser-zykov [4K]

Answer:

The two forms interbreed and their offspring survive and reproduce well.

Explanation:

When talking about classification of species, one of the first features observed is the species fitness, which describes the reproductive success or their ability to leave to their successive generations the most copies of their genotype. When different species that were recently divided into 2, by geographic isolation, for instance, usually there is no genetic compatibility, and if its possible to produce offspring, there might be some development issues like infertility.

8 0
3 years ago
Most absorption of food occurs in the:
algol13

Answer:

Small intestine

Explanation:

It is in the small intestine where most food absorption occurs. Specifically, in the jejunum and the ileum. This is the site where nutrient absorption takes place too. Some water is also absorbed here, but the one mainly in charge of that is the large intestine.

5 0
3 years ago
What are meristematic tissues?
svetlana [45]
Meristematic tissue is the dividing tissue present at the growing regions of the plants. They are meant for growth of an organ Cells of meristems divide continuously and help in increasing the length and girth of the plant
The cells of this tissue are similar in structure and have thin cellulose cell walls
The cells do not contain any intercellular space between them 
The cells contain few vacuoles or no vacuoles at all
They are further divided in the following parts
1)Apical meristem
2)Lateral meristem
3)Intercalary meristem
3 0
3 years ago
Read 2 more answers
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