Indicate whether the following statements are true or false. If the statement is false, explain why it is false. A. Oxygen is toxic to certain procaryotic organisms. B. Mitochondria are thought to have evolved from anaerobic bacteria. C. Although bacteria use a variety of organic substances as food, bacteria are not able live on inorganic substances.

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?

What do transitional fossils best support?