If a white dog with a short tail is crossed with a dog that is hom0zygous for black fur and heterozygous for a long tail, what is the probability (chance) that a puppy will be black with a short tail? 1 out of 16 (6% chance)
4 out of 16 (25% chance)
8 out of 16 (50% chance)
16 out of 16 (100% chance)

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Which could be a pathway of food through an ecosystem

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.