Who was the first person to look at living cells using a microscope? Anton von Leeuwenhoek Robert Hooke Matthias Schleiden Rudolf Virchow

Cancer cells cancer cells generally form benign tumors. have a slow mitotic rate. may exhibit metastasis. are indistinguishable from normal body cells. do not form neoplasms.

List three significant differences between meiosis 1 & meiosis 2

Explain how setae differ among earthworms, marine worms, and leeches.

In children, lymphatic tissues such as adenoids, tonsils, and lymph nodes enlarge as growth continues and from exposure to microorganisms.

Emily (who is 5.5 feet tall) wants to measure the height of a tree in the forest near where she lives since there is a big storm approaching and she is worried that it might fall over and hit her house if it is too tall.

Which is a potential negative consequence of using genetically engineered medicine?

A. what are two reasons that the prevalence rate of a disease in a community could decrease?

How plants breath and do photosynthesis

Woolly mammoths were grass-eating mammals that resembled elephants but with heavy coats, large tusks, and small ears that made them suited for extremely cold weather of the ice age.

Flower color in a particular plant species is determined by one gene locus. The allele at the locus can code for either red flowers or blue flowers. When two such plants are crossed, however, some of the offspring produce purple flowers.