What are the issues around the use of biofuels as an alternative to fossil fuels?
What will be an ideal response?
Biofuels are made up of dead living things, such as sugarcane. However, using food crops to produce fuel so that we can run our vehicles may cause food prices to rise. There are also concerns that irrigating biofuel crops will add to our shortage of water.
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What skeletal features differentiate modern humans from apes, and what common purpose do all these
differences serve? What will be an ideal response?
The intermediate host for many flukes is a:
A. human. B. cow. C. dog. D. cat. E. snail.
ELISA tests use a fluorescent dye as a label to trace antigen-antibody reactions.
Answer the following statement true (T) or false (F)
Which of the following most closely describes the cervix?
A. a neck-like area of the ovary B. a region between the uterus and vagina C. a narrowed opening from the prostate gland D. an opening from the vagina to the outside