Oh dear, I was afraid our resident curmudgeon would say something like this.
Did you get my message? Considering the questions we get occasionally, I
suspect that the teaching of basic biology in public schools for the past 30
years or more has been atrocious. I was very fortunate, but that was 60 years
ago.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)