Carrying capacity is the maximum amount of organisms a certain ecosystem can sustain with the resources available in a given ecosystem.
Factors that could either increase or decrease the K, carry capacity, would be: drastic weather causing depletion of resources, decreases in competition, etc.
Answer:
Food webs are more stable than food chains because i one species died or became extinct there would be other options for the other organisms to all back on.
Example:
The mouse became extinct, the snake now eats bunnies because they are their other prey.
Answer:
DNA does not support the hypothesis that coelacanth is the closest relative to amphibians.
Explanation:
After several DNA analyzes, including analysis of mitochondrial DNA sequences, scientists found that coelacanth DNA does not support the idea that it is the closest relative of amphibians. However, other molecular analyzes, looking at the DNA of other living beings, concluded that the pulmonary fish is, in fact, the closest relative of the amphibians, with Coelacanth being the closest relative of the tetrapods.
The effect of methylphenidate (ritalin) on the synapse is most similar to the action of other appetitive drugs such as amphetamine/ dextroamphetamine (Adderall).
<h3>What are appetitive drugs?</h3>
- An appetite stimulant or orexigenic is a drug or compound which increases the appetite and may also induce hyperphagia.
- These can be taken in the form of medications that increase hunger and enhance food consumption.
- Methylphenidate is in a class of medications called central nervous system (CNS) stimulants as they influence the CNS to eat more.
- Side effects of this medication include increased blood pressure, palpitations, appetite increase which may lead to weight gain.
- Methylphenidate is used to treat attention deficit disorder (ADD) and attention deficit hyperactivity disorder (ADHD) as it affects chemicals in the brain and nerves that help to control hyperactivity and impulse.
Learn more about drugs here:
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Heterozygous
parents have genotype Aa. If we cross two of them then:
<span>Parents:
Aa x Aa</span>
<span>F1
generation: AA Aa Aa aa</span>
<span>This
means that the <span>chances of having a child with the disease
are ¼ (or
25%) and that is the child with genotype aa (homozygous recessive).</span></span>