Tham khảo tài liệu 'vocabulary science and technology_04', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | CATEGORIES List each word in the box under the correct heading. newborn underground helpless longer vegetarian cottontail 1. COMPOUND WORDS 2. WORDS WITH SUFFIXES HOMONYMS Homonyms are words that sound the same but have different meanings and spellings. First write a homonym for each boldface word from the reading. Then write a sentence that contains both words. The first one has been done for you. 1. hare hair The hair on that hare is a bautfl browncolor. 2. pairs 3. bear __ 4. tails _ 5. two 86 SCIENCE AND TECHNOLOGY WORDS Animal Intelligence Many animals from a flea to an elephant can be taught to perform tricks. But these acts tell us little about learning ability. An animal s intelligence is measured by how it manages a new situation and how well it solves problems. The maze is one method scientists use to test animal intelligence. A maze contains a number of confusing pathways. In a scientific test the animal s task is to discover the path that leads to food or some other reward. How many attempts does the animal make to find its way through the blind alleys of the maze And how UNIT 4 long does the animal remember what it has learned The answers to these questions are strong indications of the animal s learning and memory capacities. Which animals are smarter In learning how to solve new problems vertebrates are usually superior to invertebrates. Chimpanzees dogs cats and rats make high scores on various tests. But there are wide differences among individual animals of the same species. Some bees ants and cockroaches for example are much brighter than other members of the same colony. Here are a few fascinating facts about animal intelligence Many fish have color vision and can recognize each other by color patterns on the head. Squirrels like some birds have a sense of numbers. An octopus can run mazes and differentiate between a circle a square and a triangle. Toads and frogs learn to
