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31
votes
1answer
3k views

What is this wasp killing insect?

I spotted these two in my garden. What is this insect? He had firm control over the wasp and was just hanging on by one leg. He appeared to hold on until the wasp stopped moving and then flew away ...
6
votes
1answer
69 views

What is this - nest, eggs, fungus?

Anyone know what these are? I found them in our local park today attached to a wooden earth-retaining wall.I was thinking some kind of insect nest/egg sac (spider?) They're about the size of a medium ...
12
votes
1answer
1k views

Are these spider eggs?

I was pulling weeds in my backyard in Southern California, when I saw a spider over a white area on the underside of one of the leaves. It's staying right near the white spot. Are those spider eggs? ...
3
votes
1answer
39 views

What is heteroduplex?

I fail to understand the what exactly is heteroduplex due to unavailability of a suitable diagram. According to wikipidea: A heteroduplex is a double-stranded (duplex) molecule of nucleic acid ...
3
votes
1answer
88 views

Identification of a spider from my basement

It's a little over 1" long including legs, and I found it in my basement in Pennsylvania. My guess is a funnel weaver, which would be nice since then I can free it (right?) from the tin can it's ...
5
votes
2answers
90 views

Bee identification

Can anyone help identify this UK bee? The picture was taken in June 2016. Doesn't have to be exact, really just want to know if it's a honey bee or a solitary bee. Thanks.
1
vote
0answers
36 views

Similarity with protein sequence [closed]

I have chosen a protein sequence and I want to record the sequences having similarity more than 85% of the chosen sequence. How can I find it using FASTA?
2
votes
1answer
131 views

I need help identifying a completely unknown plant for my biology class

I know two things about this plant 1 is that it does not need to be watered for a long time because it has been able to survive in my schools greenhouse for quite some time without water and 2 my ...
4
votes
3answers
130 views

What type of tree is this?

This is a tree that I have been growing. I'm wondering if this is a mulberry, and if so, what kind? Location is Arizona.
3
votes
0answers
28 views

Droppings of mystery: What are they

I have noticed the droppings below, quite visible on snow, next to an inner-town building situated next to this place in Luxembourg, central Europe. There are quite a few, but I have not noticed them ...
2
votes
0answers
64 views

What are the identifying characteristics of a Jellyfish?

I was walking down the beach today (Wollongong Australia, near Sydney) and saw this Jellyfish washed up on the beach. Then I saw another. I wanted to work out what type it was but didn't know ...
3
votes
0answers
94 views

What kind of spider is this and is it dangerous?

Found this spider on my couch the other day in Steubenville, Ohio. The spider is about 2.5cm to 4cm long.
2
votes
0answers
61 views

What is this stick-like creature?

My wife noticed this on her trousers immediately after coming home - probably acquired after brushing past a bush. It's about one inch long, and does not move much - but when poked it will flex and ...
4
votes
2answers
98 views

What plant is this?

It was all along a fence in a downtown core in Ottawa, flowering in November. I didn't get a better close-up of the flower itself, I had thought the leaves would be pretty important.
5
votes
1answer
169 views

Does anybody know what this shark is eating?

Looking for a species identification on the orange fish that the shark is eating. The shark is a goblin shark filmed as part of the BBC's 'Legends of the Deep: Deep Sea Sharks'.
6
votes
1answer
96 views

Which organism is this?

Place: Bangalore, India Month: September, 2015 Current weather: Cloudy and rainy Google images search was just giving me dragonfly photos. That organism is on grass blade. Image is captured by ...
6
votes
1answer
44 views

What species is this?

We found this on a beach in the Bay of Lannion, Brittany, France. What is it? About 6 cm long.
2
votes
1answer
38 views

Questions about a fossil

I have a plant fossil that my dad once found for me at a beach in Denmark, Europe about 15 years ago. Is it possible to identify what kind of plant it is? There is a fossil water bubble suggesting ...
0
votes
1answer
36 views

What kind of tree is this?

I live in Denmark, Europe and was going for a walk on a beautiful cemetary in the city. I saw this tree and would like to know what species it is. Unfortunately i have no photos of the tree from a ...
6
votes
1answer
154 views

Can someone tell me the species of this lizard?

It's a green lizard with a silver tail, and it has pretty, bluish eyes. I saw it today, July 26th, trying to get some shade on a hot, sunny day (32 degrees) at around 18:00 in Austin, TX USA. It's ...
3
votes
0answers
77 views

Looking for a dichotomous key to identify primates

I'm looking for a dichotomous key to identify primates by physical and possibly geographical traits. Any format is fine (print, web, mobile app, etc.). Other than classroom activities and genetic ...
2
votes
1answer
57 views

Are these termites?

These are outside a window in Phoenix, Arizona. I looked on the internet for pictures and these guys looked very similar to winged termites.
2
votes
0answers
56 views

What is the name of this tree? [duplicate]

I noticed this plant growing on the Azores islands. It has a surprisingly perfect distribution of branches, which gives it the appearance of a fake decorative plant. Does anybody know what type of ...
6
votes
2answers
2k views

Is this a crayfish hole? or wasp nest?

I'm suspicious that it might be crayfish, which I'd think was insane (I still kind of do), if I hadn't found a dead one around my house earlier this summer. Is that definitely what it is, or do I ...
4
votes
1answer
318 views

Can anyone help me identify this plant?

I have a Chamaerops humilis in my apartment and in there is these small plants growing. I live in Denmark, Europe and my palm tree has only been inside my apartment since i got it. Can anyone ...
2
votes
1answer
49 views

What comes out of this bump in this vegetable?

I live in Denmark, Europe and I have in my garden this gigantic vegetable. It has a big bump on the top and i was wondering about what comes out of it?
2
votes
1answer
69 views

What is this plant on the photos?

Found in Kustaankartano, Helsinki, Finland in June 2015. (for closeup view, copy image URL and open in new window and then zoom in)
5
votes
2answers
360 views

Help me identify this spider from my garden

Found this in my garden today in Sydney, Australia (specifically Lane Cove). Can you tell me what it is?
6
votes
1answer
114 views

Who are these biologists?

I know the third one in the front row is James Watson. Does anyone recognize the others?
14
votes
1answer
244 views

Help identifying what this is in Crayfish gills?

this is my first time posting here. I was in my Zoology lab doing a dissection on a Crayfish when I noticed these hairlike structures within the gills. They were very "snappy" and fine, and would ...
7
votes
1answer
442 views

Is this a grass cell?

I found this picture online claiming it was a grass cell. Clearly it is a cross section image but I was hoping you could tell me if this is actually grass, or something else if anything.
3
votes
1answer
97 views
5
votes
1answer
150 views

Are some facial features more important than others in human facial recognition?

I'm often surprised by the human ability to correctly identify other individuals despite significant modifications due to ageing, hairstyle, injury, etc. But, sometimes the addition of a beard and a ...
5
votes
1answer
496 views

Help identify this awesome climbing plant with velcro like stem

I got this plant sprouting in my window box this spring. Starting from a single seed, it has grown into an impressive array of branching climbing vines, reaching 6 feet tall. The stem turned red as it ...
7
votes
1answer
189 views

What is this creature?

Since it has six legs, I believe it's some sort of insect, but I could be wrong. I spotted it in my Central Texas backyard (Austin area). It was very slow and not at all skittish. For size reference,...
2
votes
1answer
65 views

Sansevieria species specification needed

What are the botanical differences between the species S. parva and S. senegambica? Please highlight the main ones. I have 2 groups of plants. One with label "Sansevieria dooneri" (a synonym of S. ...
1
vote
1answer
50 views

What is the name of this type of inflorescence?

I was having a look at a rhizophora plant (from the mangrove family), and I got curious about its inflorescence. I can't make out what kind of inflorescence it is. Here is a photo of the ...
5
votes
1answer
229 views

Identify this large exotic bird spotted in Taipei, Taiwan

A few months ago while backpacking in Taipei I found this very intriguing large bird facing off a curious puppy in a fairly busy pedestrian area. The bird did not attempt to fly. None of the ...
9
votes
1answer
209 views

What is this snake

I took a picture of this snake in Switzerland (Geneva Area): It looks to be an adder but cannot be sure about which species. In Switzerland we have two kinds of adder: Vipera berus Vipera aspis ...
1
vote
1answer
520 views

Identifying structures from anterior end of dissected prawn

Note: This image might be disturbing. I want to know what the red and the black structures (directly posterior to the red structure) are. I guess it's the heart.
0
votes
1answer
2k views

Identifying internal structure of dissected prawn

Note: Some of the images might be disturbing. I have dissected prawn for the first time. Would like your help in identifying some structures . This is the dissection of the posterior part of the ...
3
votes
1answer
181 views

Identifying internal structures of dissected fish

Note : Images displayed below might be disturbing to some people. I have dissected a fish for the first time ! I have some idea of what some of the structures might be but I am not sure and so would ...