Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
Reproductive structures of angiosperm (flowering) plants.
5
votes
Accepted
What did Darwin mean by "degraded flowers"?
Perfect flowers have both male and female parts.
"Degraded" isn't used anymore - just "imperfect". … Species with both staminate flowers and carpellate flowers on the same plant (e.g., corn) are monoecious..." …
1
vote
Different flowers have same colour
I think parallel evolution is likely due to the cost to produce the pigments in plants.
Xanthophylls and carotenes are made from only carbon, oxygen and hydrogen. This provides most of the yellow colo …