Oreotrephes

St. Louis, MO

http://www.robbie.eugraph.com

Research Specialist at Missouri Botanical Garden

top accounts reputation activity subscriptions

How do small animals make loud sounds?

entomology biophysics hearing asked Aug 19, 2013 at 13:41

biology.stackexchange.com

15 votes

Why is venom more common in fish and snakes than other vertebrates?

evolution toxicology vertebrates asked Jul 30, 2013 at 14:11

biology.stackexchange.com

13 votes

Extract labels membership / classification from a cut dendrogram in R (i.e.: a cutree function for dendrogram)

r classification cluster-analysis dendrogram dendextend asked Aug 22, 2014 at 17:25

stackoverflow.com

10 votes

How many honeybees are there, and how has the number changed across time?

entomology food population-biology ethnobiology asked Jul 23, 2013 at 0:25

biology.stackexchange.com

10 votes

What chemical available in 18th century would explosively react with phosphorus?

reaction-mechanism history-of-chemistry asked Jul 6, 2013 at 7:44

chemistry.stackexchange.com

9 votes

Efficient method to subset drop rows with NA values in R

r indexing data.frame subset na asked Dec 3, 2013 at 3:39

stackoverflow.com

6 votes

Is there theory that connects longevity, time-scale of environmental disturbance, and adaptation?

evolution ecology life-history adaptation climate-change asked Jul 9, 2013 at 9:58

biology.stackexchange.com

6 votes

What is the difference between various Kruskal-Wallis post-hoc tests?

r post-hoc kruskal-wallis asked Mar 15, 2015 at 18:36

stats.stackexchange.com

6 votes

Which side of the Atlantic does the jack-o'-lantern come from?

culture north-america popular-culture ireland tradition asked Oct 31, 2014 at 16:52

history.stackexchange.com

5 votes

Are similar smells usually based on similar chemicals?

biochemistry sensation perception olfaction asked Aug 21, 2013 at 23:14

biology.stackexchange.com

Top Answers

Goats are so fearless but sheep are not. Is there any genetic difference responsible?

biology.stackexchange.com

Do animals exist with an uneven total number of digits?

biology.stackexchange.com

Why is there a difference in the rotation of the tail fin in fish compared to marine mammals?

biology.stackexchange.com

Do immortal organisms exist?

biology.stackexchange.com

What is the standard deviation of adult human heights for males and females?

biology.stackexchange.com

How many honeybees are there, and how has the number changed across time?

biology.stackexchange.com

What is this insect that has invaded my home in Texas?

biology.stackexchange.com

What is this beetle and what are the strange antennae for?

biology.stackexchange.com

Bee (?) identification

biology.stackexchange.com

Is life expectancy linked to intelligence in animals?

biology.stackexchange.com

Why do pink rain lilies flower only after rains, and not from being watered?

biology.stackexchange.com

Toronto spider identification

biology.stackexchange.com

What type of insect is this?

biology.stackexchange.com

What are the minimum set of shoes required for hiking outdoors

outdoors.stackexchange.com

Do plants with non-green leaves have chlorophyll and photosynthesis?

biology.stackexchange.com

What is the name of this plant?

biology.stackexchange.com

What insect is in this photo?

biology.stackexchange.com

Identification of this humpbacked, brown, clawed insect climbing up my wall?

biology.stackexchange.com

How do white Caladiums perform enough photosynthesis to support their mass?

biology.stackexchange.com

What is this insect I found in Russia?

biology.stackexchange.com

Why do kefir grains stop growing in soy milk?

biology.stackexchange.com

Are Rhododendron and Mountain Laurel truly toxic to burn in a campfire?

outdoors.stackexchange.com

Trek-able peaks in the himalayan range

outdoors.stackexchange.com

What kind of mementos, if any, am I allowed to collect from State and National parks in small quantities?

outdoors.stackexchange.com

Is it possible to have life in vacuum?

biology.stackexchange.com

(How) can a pink grasshopper exist?

biology.stackexchange.com

Extract labels membership / classification from a cut dendrogram in R (i.e.: a cutree function for dendrogram)

stackoverflow.com

What is this beetle?

biology.stackexchange.com

Do fishes die from old age?

biology.stackexchange.com

Hiking in the Pyrenees late July/early August, what track should I do?

outdoors.stackexchange.com