Plants!
True or False, the first land plants had seeds.
False
Write the letter!
If stretched out, your small intestine would be about as long as ________
A) a kayak
B) two giraffes stacked
C) an average doorway
D) a standard baseball bat?
A, on average, your small intestine is 23 feet long.
Fill in the blanks. The primary function of the circulatory system is to circulate _________ to and from the __________.
Blood, Heart.
I make reactions move real fast, breaking things apart or putting them together at last. Without me, things take much too long, so in your body, I belong. What am I?
Enzymes
What would R be if a population has 50 births and 20 deaths?
R = 30
The plant's life cycle is an alternation of haploid and ________ phases.
Diploid
Exposure to __________ can cause gene mutation.
Mutagens (Radiation or Chemical Substances)
To keep us alive, cells create ________, which then combine to form essential organs in the body.
Tissue
I help predict the future of offspring, but I am not a fortune teller. I use letters instead of numbers, and I show you the chances of a trait appearing. What am I?
Punnett Square
If you plant a seed upside down, its roots will still grow downward. What is this phenomenon called?
Gravitropism
Which flower type has male (stamens) and female (carpels) reproductive organs?
The Perfect Flower
Sarah is running a race, and as she sprints toward the finish line, her legs move faster, and her arms pump back and forth. Her body is able to move because of a specific system that controls movement.
Which body system is responsible for Sarah’s movement? __________
The Musculatory System
Write the Correct Letter.
How often does DNA replication make an error?
A) Every 1 in 10 thousand nucleotides
B) Every 1 in 1 million nucleotides
C) Every 1 in 10 billion nucleotides
D) Every 1 in 100 trillion nucleotides
C
I am the foundation of all living things, passing traits from one generation to the next. Without me, evolution wouldn’t exist. What am I?
Heredity
________ factors are living organisms, while ________ factors are non-living elements that affect the environment.
Biotic = Living
Abiotic = Non-Living
I was a monk who studied peas, uncovering the secrets of heredity—who am I?
Gregor Mendel
After you get a paper cut, your body quickly starts replacing damaged skin cells with new identical ones. What is the name of this process that allows your body to heal and grow?
Mitosis
The __________ system controls your "flight or fight" response.
Sympathetic
I am the largest organ in your body, yet I am not inside you. I protect you from harm and help regulate your temperature. What am I?
When a single species evolves into multiple species, each adapted to different environments, this process is called _________.
Adaptive radiation
I study how species arrive, survive, and sometimes disappear from isolated land masses. Distance, size, and time all shape my patterns. What am I?
Island Biogeography
Write the Letter
Which of the following lists the phases of mitosis in the correct order?
A) Prophase, Anaphase, Metaphase, Telophase
B) Metaphase, Prophase, Anaphase, Telophase
C) Prophase, Metaphase, Anaphase, Telophase
D) Telophase, Anaphase, Metaphase, Prophase
C
If the average adult human body contains about 5 liters of blood, how many average-sized water bottles (500 mL each) would it take to match this volume?
Answer: 10 water bottles
5 liters = 5000 mL, and 5000 ÷ 500 = 10
I taught Biology in the Modern States course, explaining cells, DNA, and more. My first name is linked to wisdom, my last name to a son. Who am I?
Professor Athena Anderson
In the world of biology, some molecules play a similar role by shaping the structure of enzymes. What are these molecules called?
Regulator molecules