User tyersome

37 votes

If plants benefit from carbon dioxide, why is car traffic something bad?

botany plant-physiology

answered Feb 22, 2020 at 20:03

30 votes

Accepted

What is this animal looking like an Axolotl?

answered Jan 21, 2020 at 0:22

25 votes

Are there animals that have evolved a resistance to human activity or encroachment?

evolution zoology adaptation

answered Jun 15, 2020 at 18:18

18 votes

Accepted

This looks like it was somebody’s home - but who?

species-identification botany fruit

answered May 3 at 6:40

16 votes

Accepted

Identify this giant green moth(?) with great taste?

species-identification entomology behaviour

answered Mar 24, 2020 at 4:04

15 votes

Accepted

Owl identification. Winter in Haliburton, Ontario, Canada

species-identification zoology ornithology

answered Dec 16, 2021 at 23:41

13 votes

Accepted

Are there any documented cases of extinction of a species of fungus?

mycology extinction

answered Jul 22, 2019 at 23:38

11 votes

Can birds touch their wing tips together either in front or behind (not above and below)?

zoology ornithology anatomy

answered Jul 6, 2019 at 19:11

11 votes

Accepted

Identify this tree?

species-identification botany trees

answered Feb 28, 2020 at 19:53

10 votes

Accepted

Predatory insect - what kind?

species-identification entomology

answered Jul 30, 2019 at 0:08

9 votes

What kind of purple flower is this?

species-identification botany flowers

answered Feb 20 at 22:23

9 votes

Why do OX5034 GM mosquitos require the presence of tetracycline to survive? What does the drug do in this case?

molecular-biology reproduction infectious-diseases pest-control

answered Apr 30, 2021 at 19:24

8 votes

Insect with long neck—what is it?

species-identification zoology entomology

answered Jun 6, 2020 at 23:48

7 votes

Are there land animals that use gill-like organs instead of lungs?

zoology respiration breathing lungs

answered Jan 31, 2020 at 20:35

7 votes

Accepted

Leaf formation on unknown tree: cocoon or something else?

species-identification botany trees

answered Aug 13, 2019 at 18:32

7 votes

Identification of UK insect

species-identification entomology

answered Jul 24, 2019 at 3:07

6 votes

Why are human feces riskier than urine with regard to spreading diseases?

virology pathogenesis excreta

answered Jul 28, 2019 at 18:35

6 votes

Accepted

What pigment is responsible for the formation of blue skin color in some animals?

zoology mammals pigmentation

answered Nov 29, 2019 at 23:49

5 votes

Non-coding DNA as a protection to deleterious mutations

molecular-biology cancer mutations

answered Aug 1, 2019 at 19:24

5 votes

Accepted

Why is the GULO pseudo gene expressed in humans?

human-genetics enzymes molecular-evolution

answered Jul 26, 2019 at 22:45

5 votes

Accepted

What are an internal and external exons?

genetics terminology splicing exons

answered Feb 16, 2020 at 18:31

5 votes

Accepted

Are there any known microbes capable of living in almost pure carbon dioxide?

microbiology metabolism

answered Jan 22, 2020 at 1:17

5 votes

What vitamins exist for other animals but not humans?

nutrition vitamins

answered Apr 26, 2020 at 5:22

5 votes

Accepted

What kind of hot pink eggs are these?

species-identification invertebrates eggs molluscs

answered Mar 29, 2020 at 17:55

5 votes

Accepted

Can you identify this snake?

species-identification zoology herpetology snake

answered Apr 21, 2020 at 2:13

5 votes

Can hunting of large specimens of a species make the size and weight of the species tend to be smaller?

genetics evolution zoology ecology artificial-selection

answered Apr 22, 2021 at 17:15

5 votes

Decreasing signals in assay measurements

biochemistry cell-biology lab-techniques cell-culture assay-development

answered Dec 16, 2020 at 23:55

5 votes

Accepted

Species identification: plant with pitfall trap-like structures

species-identification botany

answered Apr 6 at 15:07

4 votes

Sextuplet corn (Zea mays with branched ear)

genetics botany morphology

answered Nov 19, 2020 at 6:30

4 votes

Accepted

There are some species that grow throughout their lives -- is there evidence that even in adulthood their brains increase in size?

zoology brain growth allometry

answered Jan 1 at 22:02

Stack Exchange Network

current community

your communities

more stack exchange communities

107 Answers

If plants benefit from carbon dioxide, why is car traffic something bad?

What is this animal looking like an Axolotl?

Are there animals that have evolved a resistance to human activity or encroachment?

This looks like it was somebody’s home - but who?

Identify this giant green moth(?) with great taste?

Owl identification. Winter in Haliburton, Ontario, Canada

Are there any documented cases of extinction of a species of fungus?

Can birds touch their wing tips together either in front or behind (not above and below)?

Identify this tree?

Predatory insect - what kind?

What kind of purple flower is this?

Why do OX5034 GM mosquitos require the presence of tetracycline to survive? What does the drug do in this case?

Insect with long neck—what is it?

Are there land animals that use gill-like organs instead of lungs?

Leaf formation on unknown tree: cocoon or something else?

Identification of UK insect

Why are human feces riskier than urine with regard to spreading diseases?

What pigment is responsible for the formation of blue skin color in some animals?

Non-coding DNA as a protection to deleterious mutations

Why is the GULO pseudo gene expressed in humans?

What are an internal and external exons?

Are there any known microbes capable of living in almost pure carbon dioxide?

What vitamins exist for other animals but not humans?

What kind of hot pink eggs are these?

Can you identify this snake?

Can hunting of large specimens of a species make the size and weight of the species tend to be smaller?

Decreasing signals in assay measurements

Species identification: plant with pitfall trap-like structures

Sextuplet corn (Zea mays with branched ear)

There are some species that grow throughout their lives -- is there evidence that even in adulthood their brains increase in size?