The cells that are on each side of a stomata and open and close it like a mouth are called guard cells meristem cells parenchyma cells collenchyma cells

Which of the following statements describes how the characteristics of different species of mammals reflect the evolutionary relationships among those species? shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features. similarities in the dna and protein structures of mammal species suggest that these species evolved from a common ancestor. although all modern species of mammals share some features, the differences between them mean they cannot share a common ancestor.

Genetic diversity is the variation in the genes of an entire species. each circle represents a population of a particular species in different habitats. select the population with maximum genetic diversity

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?