If you don’t give me brainliest you’re gay for james charles
Answer:
The correct answer is 3. Endosymbiotes
Explanation:
According to the endosymbiotic theory, mitochondria was a prokaryotic organelle which was engulfed by ancestral cell. Then this bacteria remain in a symbiotic relationship with ancestral cell and evolved in mitochondria which can synthesize ATP and replicated its own genome, able to duplicate and divide.
So mitochondria are considered as endosymbiotes which means they are organism which lives inside others body and cannot live or function on their own. This theory is supported by genetic evidence that shows similarities between mitochondria and bacteria. So the correct answer is 3.
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A flea and dog are an example of parasitism, because the flea irritates the dog's skin and feeds on its blood.
In a parasitic interaction, one organism benefits whereby the other one harmed. It is a positive - negative relationship. This interaction involves the interaction between the host and the parasite. The host is the bigger organism, here, the dog that is being harmed. The parasite is the flea causing the harm and benefiting from the relationship.
Certain bacteria live in the digestive tract of humans, and their relationship is an example of because mutualism the bacteria help humans to break down the food they eat.
In mutualism, the interaction is based on both organism deriving benefit from one another. Here, the bacteria gets its nourishment by breaking down human food. Human beings are able to digest the food better and are also nourished. A win-win situation is established.
Cattle egrets eat insects off the back of an elephant, which is an example of commensalism because the cattle egrets benefit without either harming or helping the elephants.
This relationship is known as commensalism in which one organism derives benefit. The other one derives no benefit and it is also not harmed in the process. The egrets feeds on the insects that are not harming the cattle.
Explanation:
Answer:
99% is found in teeth and bones
Explanation: