Unit 1- Diversity of Life

The development of the ozone layer (O3) allowed which of the following to occur?

Which kingdom is described as all members having cell walls made of chitin and being heterotrophic?

Fish are in the _____ phylum and the _____ kingdom.

Oxygen in today’s Earth atmosphere is the direct result of evolution of ____.

The specimen below is viewed using a light microscope. This organism belongs to the ______ kingdom.

The zebras in this picture are considered ______.

Which of these does NOT describe the plantae kingdom?

Having DNA is ______.

The first members of the animal kingdom that lived on land were ____.

Which of the following is a DISADVANTAGE of sexual reproduction over asexual reproduction?

______ is the ability to maintain stable internal conditions.

Which of these animal groups is the most recent common ancestor for birds and mammals?

Which kingdom does NOT have any autotrophic members?

A fungi, such as a mushroom starts off as a single-celled spore. Then it develops into a multicellular mushroom

Which cell would have a greater surface area to volume ratio?

An organism that can create its own organic molecules for food is known as a(n) _____.

The age of the Earth is estimated to be about ____ years old.

How life on Earth evolved from only prokaryotic cells to the first eukaryotic cells is described by

In the binomial system for naming organisms, an organism is given two names: its ___ and ___.

Which of the following evolved before all of the others?

A _____ is defined as all of the biotic and abiotic factors in the same area.

As a human, the phylum you belong to is

Which is NOT a characteristic of this organism?

What taxon is missing on this phylogenetic tree?