Two species of animal are very similar in appearance. The first species gives birth to offspring that have no hair. Their eyes are also closed. The second species gives birth to offspring that have a full coat of hair. Their eyes are also open. Which species has the shorter gestation period?

How many chromosomes are in a gold fish?

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes