How is vascular tissue arranged in dicot stems? a. in bundles in a ringb. in randomly arranged bundlesc. in bundles near the outer edged. in a cross shape within the stem?

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration