(11) is generally agreed that the largest species of bat is the giant golden-crowned flying fox, which (12) said to have a wingspan of 1.5 m. It has (10) contended that Kitti's hog-nosed bat is the smallest extant species of mammal, although claims have also been made for the Etruscan shrew. In many places they (9) considered to play a vital role in pollinating seeds and controlling the numbers of insects pests. There (8) thought to be bats in almost every habitat available on Earth, with the exception of the two polar regions. It (6) believed that about 70% of bats are insectivores, with most of the rest thought (7) be fruit eaters, and a very few carnivores. There (5) sometimes thought to have been one single common bat ancestor, from which all bat species have evolved. Other mammals said (2) fly, such as flying squirrels and gliding possums glide rather than fly, and can only glide for short distances.īats (3) thought to represent about 20% of all classified mammal species worldwide and (4) are calculated to be about 1,240 bat species in the world. It is said (1) the only mammal naturally capable of true and sustained flight is the bat. Once you have read the theory, do the exercises given below to test. Photo of Big-eared Townsend bat from Wikipedia Exercise 6 - Read the text, then fill each gap with one word. Instructions: You are given a block of text which explains the theory of this concept.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |