The jellyfish move between the twilight zone and the sunlight zone. They do so to be able to feed on the small photosynthesizing organisms at the upper surface of the ocean.
3. Heart (The heart pumps oxygen thro our entire body, continuously)
4. Blood Vessels (In humans, nutrients are carried thro blood vessels)
I hope that helps!
<span>B is the correct answer. Rangeland is land that is used for grazing animals or hunting them, either for livestock, domestic animals or wild animals. Examples include wetlands, woodlands, grassland, shrubland and deserts.</span>