Plants, but not animals
Plants must create their own food (glucose) through a process called photosynthesis. To be able to preform this, the cell must have chloroplasts which take in sunlight. Due to plants not having chloroplasts they are unable to carry out photosynthesis
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Answer:
Competition, predation, commensalism, mutualism and parasitism.
Explanation:
There are five types of relationships present between organisms such as competition, predation, commensalism, mutualism and parasitism. Competition is a type of interaction between organisms in which both the organisms are harmed. In predation relationship, one organism feed on the other by killing it. commensalism is a relationship in which one is benefited and the other is neither benefited nor harmed. In mutualism relationship, both the organisms or species gets benefit from one another whereas parasitism is a type of relationship in which one organism is benefited and the other is harmed not killed.
No. Below 1000m the sunlight could not reach therefore plant like organism would not be able to grow there. However if the organism does not need sunlight then it might have a small chance of survival. Of course there also is the water pressure that can also pose a problem. So I say No.
Arteries carry the oxygen-rich blood, veins carry the oxygen-poor ones
