Soal Latihan dan Jawaban Reading Comprehension 01

Sunday, February 26th, 2012 - reading comprehension, Soal Bahasa Inggris

All mammals feed their young. Beluga whale mothers, for example, nurse their calves for

some twenty months, until they are about to give birth again and their young are able to

find their own food. The behavior of feeding of the young is built into the reproductive

system. It is a nonelective part of parental care and the defining feature of a mammal, the

(5)  most important thing that mammals– whether marsupials, platypuses, spiny anteaters, or

placental mammals — have in common.


But not all animal parents, even those that tend their offspring to the point of hatching or

birth, feed their young. Most egg-guarding fish do not, for the simple reason that their

young are so much smaller than the parents and eat food that is also much smaller than

(10)  the food eaten by adults. In reptiles, the crocodile mother protects her young after they

have hatched and takes them down to the water, where they will find food, but she does

not actually feed them. Few insects feed their young after hatching, but some make other

arrangement, provisioning their cells and nests with caterpillars and spiders that they have

paralyzed with their venom and stored in a state of suspended animation so that their

(15)  larvae might have a supply of fresh food when they hatch.


For animals other than mammals, then, feeding is not intrinsic to parental care. Animals

add it to their reproductive strategies to give them an edge in their lifelong quest for

descendants. The most vulnerable moment in any animal’s life is when it first finds itself

completely on its own, when it must forage and fend for itself. Feeding postpones that

(20)  moment until a young animal has grown to such a size that it is better able to cope. Young

that are fed by their parents become nutritionally independent at a much greater fraction

of their full adult size. And in the meantime those young are shielded against the vagaries

of fluctuating of difficult-to-find supplies. Once a species does take the step of feeding its

young, the young become totally dependent on the extra effort. If both parents are

(25)  removed, the young generally do no survive.

Reading Comprehension 01

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