BIOL 485 Course Quiz

The Burgess Shale Formation is estimated to be approximately 510 million years old.

The Cambrian Explosion refers to a period of rapid diversification of animal life, occurring approximately ______ million years ago.

What significant ecological event occurred around 550 million years ago that may have triggered the Cambrian Explosion?

Which of the following is NOT a phylum mentioned in the text as being among the most abundant on Earth?

Match the following terms with their correct definitions:

Carolus Linnaeus developed a hierarchical system of classification based on shared characteristics called ______.

Match the following Linnaean levels of classification with their correct order from broadest to most specific.

Which of the following is NOT a Linnaean level of classification?

Linnaean classification is still considered the most accurate and up-to-date system for classifying organisms.

Linnaean classification is now outdated, and we now use ______ trees to classify organisms.

What is a synapomorphy?

Which of the following domains of life are considered to be prokaryotes?

What are the eight basic things that all organisms need to do in order to survive?

Which of the following is NOT a characteristic of life?

Cellular respiration is the process by which organisms break down food to release energy.

What is the primary function of epithelial tissue?

Organisms with a ______ grade of organization are composed of cells that are grouped into tissues.

Match the following terms with their corresponding definitions:

Which of the following is NOT an example of homeostasis?

Larger organisms always have simpler internal structures than smaller organisms.

How does size affect an organism's interaction with its environment?

Diffusion is a rapid process, particularly in air, and works efficiently for large organisms with long diffusion radii.

What is the primary challenge faced by larger organisms in obtaining and distributing materials from the environment like oxygen?

Match the following respiratory pigments with their corresponding organisms:

Which of the following strategies do organisms employ to increase their surface area to volume ratio?

The evolution of a ___________ system in multicellular organisms enabled the transport of oxygen to internal tissues.

The presence of respiratory pigments like hemoglobin and hemocyanin helps increase the efficiency of gaseous exchange by boosting the oxygen-carrying capacity of blood.

What is the primary difference between diffusion and a circulatory system?

Explain how the development of a circulatory system helped overcome the challenges of supplying oxygen to internal tissues in large multicellular organisms.

The protein __________ is a key component of animal tissues and plays a significant role in their development.

Which of the following is NOT a characteristic of a blastula stage in animal development?