Ecosystem

Can you explain in detail how the following would interact with each other in an ecosystem in terms of births, deaths, weight gain, etc.: flowers, honey bees, Winnie the Pooh? I'm told that the answer is more complex than it appears.

Circulatory and Lymphatic System

Lymphatic system 1. Bean shape lymphatic organs found along lymphatic vessels are called… a. lymph nodes b. medullary cords c. germinal centers d. cistema chili 2. In innate immunity a. each exposure is very specific b. previous exposure are remembered c. each exposure elicits approximately the same type of response d. each exposure increases the strength of the immune response 3. Transplanted tissues and organs are.. a. self antigens b. auto antigens c. foreign antigens d. antibodies 4. ----------- are part of cell mediated immunity while --------------- are part of antibody mediated immunity. a. B cells / NK cells b. T cells / B cells c. Antibodies / antigens ... click for more

Nuclear Transport

What is the mechanism for nuclear transport?

Viruses are alive or are Viruses dead

Protists is much more complex than that of cells of multicelluar organisms. Does this mean that the Protist is engaged in more complex activities than the multicellular organism? If not, why should the Protistan cell be much more complicated than the multicellular organism

Only a few hundred of the hundreds of thousands of species in the plant kingdom have been domesticated for human use. One example is the almond. The domestic almond is nutritious and harmless, but its wild precursor can cause cyanide poisoning. The oak makes potentially nutritious seeds (acorns) that contain very bitter-tasting tannins. If we could breed the tannin out of acorns, they might become a delicacy. Why do you suppose we have failed to domesticate oaks?

The oak makes potentially nutritious seeds (acorns) that contain very bitter-tasting tannins. If we could breed the tannin out of acorns, they might become a delicacy. Why do you suppose we have failed to domesticate oaks?