一些关于学习的问题。。不知道能不能请教

qianlao5

我有一些学术性的问题关于Antactica想咨询各位大大。

Among the following animals, which is the closest living relative of the whales?

Select one:

a. cattle

b. seals

c. elephants

d. bats

e. manatees

Larger animals can withstand longer periods of fasting. Why is that?  (several reasons - select all that apply)（多选）

Select one or more:

a. Because they have lower metabolic rates relative to their body mass

b. Because they can accumulate relatively larger fat stores

c. Because they eat prey that is higher in energy

d. Because they can migrate long distances

e. Because they have a lower body core temperature

You are on an expedition in the Southern Ocean and spot a whale at sea. It is very large (over 10 m long) and blows on an angle from a single blowhole. On the ship's acoustic array, you can detect that the whale is producing sounds above the range of human hearing. This is most likely to be a ...

Select one:

a. male sperm whale

b. female sperm whale

c. minke whale

d. blue whale

e. killer whale

Among the following groups, the closest living relatives of the seals are the...

Select one:

a. Whales

b. Sea Cows

c. Penguins

d. Cats

e. Bears

Among the following animals, which is the closest living relative of the whales?

Select one:

a. cattle

b. seals

c. elephants

d. bats

e. manatees

谢谢。。。。。。。

chrisfakewen

啊 可惜上次和斯考特去考察的时候忘了记录了