Answer:
21%
Explanation:
To remember this percentage, use the amount of land and water on earth, like this: 3 (land) x 7 (water) = 21
(note: oxygen does not change depending on land or water amount)
Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.
Answer:
The penguins are geographically close to each other
The penguins have similar amino acid sequences for Cytochrome B
The penguins look somewhat like each other
Explanation:
Both King penguin and Emperor penguin are closely related to each other because both lives on the same geographical location which is Antarctica. Both King penguin and Emperor penguin have similar amino acid sequences for Cytochrome B due to belongs from the common ancestor. Both King penguin and Emperor penguin have similar appearance and look very similar to each other with some differences in their shape which make them different species.
Prophase 1
metaphase 1
anaphase 1
telophase and cytokinesis
prophase 2
metaphase 2
anaphase 2
telophase 2 and cytokinesis