Question

9th grade pre - assessment includes predators and prey alike, everything from wild foxes to farmed sheep and goats. 10 the tapetum lucidum is also useful to fish, dolphins, and other aquatic animals because it helps them see better in murky, dark water. in land animals, the tapetum is found in the top half of the eye behind the retina because it is imperative that they see what is on the ground best. but in aquatic animals, the tapetum takes up most of the eye because they need to see all around them in the dark. like cats, the lemur, and its close relative the bush baby - also known as a
ight monkey\ - have a super - reflective tapetum made with riboflavin. even though a lot of animals have eyeshine, some small, domesticated dogs lack this trait. most animals with blue eyes and white or light - colored coats have also lost this trait. so dont be alarmed if your dogs or cats eyes dont glow. the list of other species without a tapetum lucidum includes pigs, birds, reptiles, and most rodents and primates - including humans. assessment questions 26 27 28 29 30 35 26 out of 35 answered question 28 what is the meaning of imperative as it is used in paragraph 11? a. accessible b. essential c. fortunate d. impressive

Explanation:

In the context, it's said that for land - animals, seeing what is on the ground best is "imperative" as the tapetum is in the top half of their eyes. This implies it's extremely important. "Essential" means extremely important or necessary, which fits the context.

Answer:

B. essential