A teacher writing to a confused student.
bacteria are microscopic (very tiny) organisms that are unicellular (made up of a single cell). One fundamental difference is that bacterial cells lack intracellular organelles, such as mitochondria, chloroplasts, and a nucleus, which are present in both animal cells and plant cells.
Answer:
A food web consists of all the food chains in a single ecosystem.
Explanation:
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Hypothesis.
A Hypothesis is an estimation of what might happen and the student's observation before moving on to investigate.
Semen is the correct answer