Select the correct text in the passage. Which sentence in the passage points out the similarity between parthenogenesis and sexual reproduction? Parthenogenesis is a type of reproduction that does not require a mate. It’s rarely seen in birds and higher vertebrates. Parthenogenesis involves the formation of a zygote. But this zygote is formed without fertilization. In parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

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.

Which of th following is needed for cellular respiration to occur