1. How might a finch population evolve if these tough seeds were the main food source compared to tiny insects?

Why?

A farmer grows crops with an average height of 5 feet. He breeds his tallest plants, which are 8 feet tall. They produce offspring that have an average height of 5.25 feet. So the heritability in this case is

All members of one species form a

Which of the following pairs of animal phyla are the most closely related? A. Annelids and flatworms B. Sponges and mollusks C. Echinoderms and arthropods D. Cnidarians and echinoderms

Under Weber's law, we'll notice a stimulus difference such that it will be a constant proportion of the intensity of the initial stimulus. Thus, for weight, we'll notice a one-ounce difference in a weight of 50 ounces.

List 5 observations Darwin made about the Amblyrhynchus lizards.

In science, what is the difference between relative age and absolute age?

Blood is considered a tissue because blood-

What is a base? a) a substance that is alkaline b) a substance that can accept an OH ion c) a substance that can donate an H + ion d) a substance that has a low pH value

What happens to the electrons in chlorophyll when they are exposed to uv light?

The cells of smokers often use anaerobic respiration more than those of non-smokers. Suggest one substance in cigarette smoke that may cause this. [1 mark] Explain why this substance has this effect. [2 marks]