ehd123

Shark teeth quality?

Shark teeth quality?

Do the quality of a shark's teeth decrease with each new one, or are they pretty much identical  from youth to old age?

CarbonRobot   204   5 Replies

bio_man

Camel - Ship of the desert.

Camel - Ship of the desert.

https://en.wikipedia.org/wiki/Camelidae

I would like to know whether the Camels seen in zoos of all countries would be able to walk in the Sahara desert and other deserts where the temperature is very high?

Po

prashantakerkar   371   4 Replies

Anonymous

In fluid mechanics, what are the definitions of static pressure and hydrostatic pressure?

In fluid mechanics, what are the definitions of static pressure and hydrostatic pressure?

What are the primary differences between the two?

julesarth   950   1 Reply

bolbol

how does the life cycle of seedless vascular plants differ from they life cycle of a bryophyte, like moss?

how does the life cycle of seedless vascular plants differ from they life cycle of a bryophyte, like moss?

how does the life cycle of seedless vascular plants differ from they life cycle of a bryophyte, like moss?

microman   2032   1 Reply

bolbol

Identifying vascular bundles

Identifying vascular bundles

Can anyone identify the vascular bundle (xylem and phloem) in this image? The sample is probably too thick so I can't see that clearly so I'm not sure about that. Thanks.

Anonymous   358   1 Reply

Anonymous

Methods of hunting

Methods of hunting

In vertebrates, with the exception of primates, hunting strategies using constructed traps (e.g., such as spider webs) are not common. What might this be due to?  Analyze the existing types of constructed traps in the animal kingdom. Suggest a r

lillil   236   1 Reply

Anonymous

Genetic lineage of grass.

Genetic lineage of grass.

I was wondering what the likelihood is of the grass in my yard today has direct genetic lines to the grass 50 years ago?

CarbonRobot   230   1 Reply

bio_man

Scientists are trying to engineer non-legume crop plants, such as corn, wheat, and rice, to form sym

Scientists are trying to engineer non-legume crop plants, such as corn, wheat, and rice, to form sym

I cant figure this one out...

Part C - Root nodule formation in legumes

Scientists are trying to engineer non-legume crop plants, such as corn, wheat, and rice, to form symbiotic relationships similar to the legume-Rhizobium rel

tq786   10523   4 Replies

Miranda Miles

Transformation of flowers in chrysanthemum

Transformation of flowers in chrysanthemum

Is a disc flower (the one on the inside, smaller, with pistils and stamens) able to transform to a ray flower (the one on the outside, bigger, with only pistils) in any chrysanthemum species? Perhaps under some conditions?

chrysanthemum   60   1 Reply

Flynn

How do you stain Ectomycorrizae?

How do you stain Ectomycorrizae?

Hey all,

I am doing research on fungal relationships in the north east united states. In order to properly continue my research, I am attempting to collect soil samples and stain ectomycorrhizae.
My questions are:
What is the mos

itzhak   604   1 Reply

bolbol

Breeding and rearing of Geocarcinus spp. in a captive setting

Breeding and rearing of Geocarcinus spp. in a captive setting

I’ve been putting research into the natural life cycles of 'moon crabs'. I have just acquired a young pair. I am not absolutely positive of the species, but it is the genus Gecarcinus, most likely Gecarcinus quadratus.

They’ll be

PoetaCorvi   69   1 Reply

Shay619

Identify each stage of the life cycle (Chapter 13, Question 5, Part C)

Identify each stage of the life cycle (Chapter 13, Question 5, Part C)

Help please,

I was working on my hw and got stuck, hoping somebody could give me a hand, thanks.

Instructions:
In the life cycle of an organism, meiosis is paired with the process of fertilization. Under

12

vpechenyy   261803   16 Replies

Rstate

Questions about running MEGA phylogenetic analysis with mitrochondrial transcription factor TCF7L2

Questions about running MEGA phylogenetic analysis with mitrochondrial transcription factor TCF7L2

hey everyone,

I was bored today so for shits and giggles i compiled the same TCF7L2 sequence for 4 animals off of the NIH ( African Elephant, Emu, Saltwater croc and anole lizard) to compile into one FASTA file and then run through a phylo

ChimpMilk   33   2 Replies

ChimpMilk