What determines the color of western white butterflies?

a. genes alone.

b. the environment alone

c. temperature and genes

d. exposure to sunlight and genes

A literature search is part of a scientific investigation. True False

Which of the following statements is true about living things? a. The organism's development is completed before the life cycle begins. b. Living things are based on a universal genetic code. c. Cells may change in number but never differentiate. d.

Any substance that can be decomposed by bacterial action is biodegradable. a. True b. False

What is a force acting through distance

Genetic screening for some diseases already exists - children are tested for PKU at birth. It is conceivable that the number and scope of testing of newborns may broaden in the future.

Which one of the following remains intact after extensive decomposition and can be used to assist in personal identification of remains? A. Blood B. Hair C. Bones D. Muscle structure

Which star has the highest absolute brightness?

What is the benefit or advantage of using spectral karyotype

A hypothesis that in non-falsifiable is?

What is the difference between a meteor and a meteorite? A meteor has more mass A meteorite reaches Earth and has not burned up A meteorite orbits the sun and a meteor does not A meteorite glows