5. What would be the consequence of an ecosystem that had no nitrogen-fixing bacteria? (1 point) O Nitrogen from decomposing animals would never be returned to the soil. O Decomposers would not be able to break down the nitrogen present in plants they feed on. O Plants would have to rely on biologically available nitrogen present in the soil. O Consumers would not survive since they would have no way to obtain the nitrogen they need.​

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

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?

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human