in how many map squares did we spot less than 20 plant species? plant species spotted in the animal preserve…

in how many map squares did we spot less than 20 plant species? plant species spotted in the animal preserve number of map squares 0 - 9 10 - 19 20 - 29 30 - 39 40 - 49 number of plant species
Answer
Explanation:
Step1: Identify relevant intervals
We need to consider intervals 0 - 9 and 10 - 19 as they represent less than 20 plant species.
Step2: Read bar - heights
The bar - height for 0 - 9 is 1 and for 10 - 19 is 2.
Step3: Sum the values
$1 + 2=3$
Answer:
3