En una isla oceánica aislada hay una especie de pájaros, la

mayoría de plumaje gris. Una variedad con manchas blancas

constituye el 4% de la población. Esta característica se debe a un

gene recesivo (s) al del plumaje de color gris entero (S).

¿En qué frecuencia se encuentra el gene s?

a 0.3

b 0.2

c 0.1

d 0.05

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems