A species that has a disproportionately large effect on its environment relative to its abundance. An example of a keystone species would be humans
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Naguara chamo tú quieres que te hagan la tarea si eres arrecho
Chewing bread, tearing paper, breaking rocks
7. Predicate
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Answer:
Certain cell organelles are present only in plant cells like chloroplast and certain only in animal cell like centrioles.
Explanation:
The concept can be explained in three stages:
- <u>Organelles only in plant cells</u>- <em>Chloroplast</em> is an organelle which is helpful in photosynthesis. Since animals don't perform photosynthesis, they don't need it. Plant cells also have a <em>cell wall</em> on top of a cell membrane.
- <u>Organelles only in animal cell</u>- <em>Centrioles</em> are present in animal cells which help in movement through structures like <em>flagella and cilia.</em>
- <u>Organelles present in both plant and animal cells</u>- <em>Ribosomes, nucleus,mitochondria, golgi complex, cell vacuoles, lysosomes</em> are present in both plant and animal cells.