Describe reproduction in leeches and earthworms. What are the similarities between plants and people in terms of reproduction? How does sexual reproduction enable algae and fungi to survive during unfavourable conditions? What plants undergo asexual reproduction? What is the major advantage of sexual rep...
Do ticks feed on birds? Ticks have been found on the faces ofbirdsand in their feathers. The tick parasite sucks blood out of the bird just as it does on cats, dogs, and humans. Some birds are natural predators of ticks. Ground-feeding birds like chickens and guinea fowl eat ticks, a...
Flea picture 7:This is a microscope image ofCtenocephalides, the common dog or cat flea. It is one of the larger and more common flea species afflicting domestic pets. It will also bite humans. To give you an idea of the relatively large size of this flea, this particular image (unli...
George Dohrmann:I was working on a story for Sports Illustrated with Alexander Wolff about Tyson Chandler. It was talking about all these leeches like [AAU coach] Pat Barrett, and how the agents, parents and high school coaches were all lining up to get paid. So I did all the reporting ...
A) Leeches consume the blood of their host B) Ticks that live on dogs C) Aphid insects eat the sap of the host plant D) All of the above Define codon and anticodon. How do they interact? Interferons are: A. proteins that are produced by cells under viral attack. B. genetically ...
but it is not a probable path to sustainable work. The solution, really, is for creative people to stop undervaluing their work, and to stop providing content for free. Then, when the leeches who sustain themselves on the unpaid work of other people shrivel up and fold, we’ll be left ...
but plenty of hands-on parasite activities are available for participants willing to get a bit messy. Some of his favorites include tick flagging (sweeping a cloth sheet attached to a pole along vegetation to gather ticks), scooping leeches out of ponds with nets, and dissecti...
drugs, and probiotics. Small animal models (vertebrates like mice, fish, amphibians, other rodents or invertebrates like fruit flies, planarians,C. elegans, leeches and rotifers) could be of particular interest to study processes, functions and morphologies that have been conserved throughout evolutio...
Which phylum includes polychaetes, earthworms, and the leeches?Amphibians have a three chambered heart. Discuss the importance of the extra chamber in terms of the obvious physical differences that amphibians like frogs have from fish.How could being monoecious contribute...
How humans transfer short-term memory into long-term memory is a hot topic in neurology. The recent discovery of CREB (cyclic AMP response element binding protein) in the medicinal leech Hirudo medicinalis, might help shed some light. CREB, known to have importance in human ...