Answer:
Cytoplasm is the semi fluid gel like substance of a cell that is present within the cellular membranes and surrounds the nucleus.
Explanation:
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Answer:
1. chlorophyll : because animals cannot produce their own food
2. Tonoplast: it is a membrane that surrounds the large vacuole in a mature plant cell and vacuoles are not present in animals cell or if present little
Answer:
A) Hummingbirds drinking nectar from a plant.
Step-by-step explanation:
Here are some examples of natural selection: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Differences in the density of water can also cause currents to form and move. Density is affected by temperature and salinity. Cold water or water with dissolved salts (higher salinity) is denser than warm water or water without dissolved salts (low or no salinity).
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