Question

use the dichotomous key to answer the question. bat dichotomous key 1a bats that live alone go to 2 1b bats that live in large groups go to 3 2a wingspan is greater than 35cm heavy bat 2b wingspan is less than 35cm go to 4 3a wingspan is greater than 35cm big brown bat 3b wingspan is less than 35cm go to 5 4a reddish - brown fur seminole bat 4b light - colored fur eastern red bat 5a large, round ears mexican free - tailed bat 5b short, pointy ears cave myotis bat scientists observed a large group of 100 brown bats with round ears, and an average wingspan of 30cm living in a cave near eastern kentucky. what type of bats did they find? cave myotis bat mexican free - tailed bat big brown bat eastern red bat

Explanation:

1. First, since the bats live in a large group, we follow the dichotomous key: 1b (Bats that live in large groups - Go to 3).
2. Then, the wingspan is 30cm. So for 3a (Wingspan is greater than 35cm - Big brown bat) and 3b (Wingspan is less than 35cm - Go to 5), we go to 5.
3. Next, the bats have large, round ears. For 5a (Large, round ears - Mexican free - tailed bat) and 5b (Short, pointy ears - Cave myotis bat), we identify them as Mexican free - tailed bat.

Answer:

Mexican free - tailed bat