EARTH AND LIFE SCIENCE 2nd Quarter Final Exam

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Which of the following is considered the first photosynthetic organism to form?

Gymnosperm
Fungi
Algae
Cyanobacteria (correct)

What is the primary driver of evolution among living organisms today?

Natural phenomenon that cannot be stopped
Lack of scientific evidence for evolution
Environmental changes caused by humans (correct)
Internal bodily changes

What is the significance of Cyanobacteria in the history of life on Earth?

They are the simplest organisms on Earth
They are the first photosynthetic organisms to form (correct)
They are the only organisms that can survive in extreme environments
They are the most complex organisms on Earth

What is the main difference between adaptation and evolution?

Adaptation occurs at the individual level, while evolution occurs at the population level (A) Signup and view all the answers

How do humans respond to their environment?

through the central nervous system (CNS) and peripheral nervous system (C) Signup and view all the answers

To which human body systems do ovaries belong?

endocrine and reproductive (C) Signup and view all the answers

What is a function of ovaries in addition to producing eggs?

Producing hormones (A) Signup and view all the answers

What can you infer about the carbon dioxide from the function of the respiratory system?

It is harmful to your body. (B) Signup and view all the answers

What is the correct sequence of structures from smallest to largest in an organism?

cell, tissue, organ, organism (C) Signup and view all the answers

What is the most likely explanation for a genetic change being passed down to offspring in a population?

The genetic change is necessary for survival in the environment (D) Signup and view all the answers

What type of asexual reproduction involves an outgrowth developing from the parent and eventually growing into a new separate individual?

Budding (D) Signup and view all the answers

What is a key difference between eukaryotic cells and prokaryotic cells?

Eukaryotic cells contain membrane-bound organelles and nucleus, while prokaryotic cells lack organelles (C) Signup and view all the answers

Which system is responsible for collecting water and filtering body fluids?

Excretory system (B) Signup and view all the answers

What type of asexual reproduction involves an organism's appendages detaching and growing into a whole new organism?

Fragmentation (B) Signup and view all the answers

What is a characteristic of all living organisms?

They are made up of cells (A) Signup and view all the answers

Which two diseases listed in the table are related to the digestive system?

Botulism and Typhoid fever (A) Signup and view all the answers

What is the largest human body organ that regulates temperature and serves as a barrier against harmful microorganisms?

Integumentary System (C) Signup and view all the answers

Which system is responsible for taking in oxygen and getting rid of carbon dioxide?

Circulatory System (D) Signup and view all the answers

What does the brain trigger when a person's body needs nutrition?

hunger (A) Signup and view all the answers

What is the correct order of food and nutrient entry into the body?

Mouth Teeth & Tongue Esophagus Stomach Small Intestine Large Intestine Anus (C) Signup and view all the answers

Which of the following definitions covers a greater number of organisms?

Kingdom (A) Signup and view all the answers

Which of the following statements about biotic potential is TRUE?

Biotic potential varies a great deal by species. (A) Signup and view all the answers

What is the relationship between biotic potential and environmental resistance?

Biotic potential increases the population size of a species while environmental resistance limits the population growth. (B) Signup and view all the answers

What refers to the maximum number of organisms of a given species that can be supported by a particular area?

Carrying capacity (C) Signup and view all the answers