1. Introduction to Biology

Why was the modern system of classification developed in biology?

Of the following four organisms, which one is most closely related to humans?

Which domain includes complex multicellular organisms?

Which of the following best contrasts herbivores and carnivores?

Which is the largest group of vertebrates?

Which of the following is most likely to be the outgroup in a cladogram comparing mammals, birds, reptiles, and amphibians?

Which plant group includes large evergreen trees, vines, ferns, and mosses?

Bos indicus cattle are characterized by which of the following features?

Organisms that belong to the same class must also belong to the same:

In the context of taxonomy, which characteristic is true about modern birds?

Which of the following best describes the difference between homologous and analogous structures?

The living plants that are most similar to the first plants to bear gametangia are the _____.

A scientist claims that *Elysia chlorotica* should be classified as a plant rather than an animal. Which characteristic most strongly supports its classification as an animal?

In the five-kingdom system of classification, which kingdom includes multicellular, photosynthetic organisms with cell walls made of cellulose?

If a hiker picked up a mollusk on a trail in a rain forest, to which kingdom would this organism belong?