Most marine fishes broadcast spawn and the parents spend no time feeding and protecting the offspring. On the other hand, whales give birth to well developed calves and will feed and protect the calves for long periods of time. What do you think is the best strategy? Has this strategy paid off in the great whales?

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error? the object is an asteroid, not a dwarf planet. the object is a moon, not a dwarf planet. the object is not a dwarf planet because it travels with other objects. the object is not a dwarf planet because it is round.