A reptile egg is shown in the diagram which best describes function of the structure labeled y? food source
protection
waste collection
gas exchange ​

Based on the phylogenetic chart, which three statements are true about the relationship between the organisms? a human is more closely related to a mouse than a kangaroo. a platypus is more closely related to kangaroo than a mouse. a human and a kangaroo share common features because of a common ancestor. a platypus and a mouse are more closely related than a platypus and a kangaroo. a kangaroo and a mouse are more closely related than a mouse and a human.

The term facultative anaerobe refers to an organism that

Ineed a little . why do you think there is a basic difference between the kinds of fertilization most common in aquatic and terrestrial animals?