Biology and Earth Science – Forces, Magnetism, Moon Phases, Microbiomes, and Ecosystems Practice Test

These questions are part of the practice quiz. Start practicing

• Which term best describes an organism that can synthesize energy storage molecules such as glucose?
• If a constant net force is applied to two blocks, with masses m and 2m, how do their accelerations compare?
• Which term refers to a group of atoms joined together in a particular way?
• What is the SI unit of pressure and what does it measure?
• Which term describes two populations using the same resource?
• Which Moon phase is most closely associated with a solar eclipse?
• Which term refers to a set of interacting parts forming a complex whole, such as in an organism or ecosystem?
• Distinguish primary and secondary succession with examples.
• Which term identifies a quantity in an experiment that can take on different values?
• Which word means to apply a push or a pull that can change an object's motion?
• In ecology, which term refers to organisms that feed on other organisms to obtain energy?
• What term denotes the smallest unit of life that can perform all life functions?
• Name a keystone species and explain its role.
• On a frictionless incline, how is acceleration related to g and the incline angle θ?
• Which statement correctly describes producers in a photosynthetic ecosystem?
• What device uses electric current to create a magnetic field?
• Which statement best describes the difference between Gross Primary Production and Net Primary Production?
• Distinguish the synodic month from the sidereal month and give their approximate lengths.
• What term means living things, such as plants, animals, and bacteria?
• What is a line that connects opposite magnetic poles and represents the strength and direction of the magnetic field?
• Which term best describes organisms that can synthesize their own food from inorganic sources?
• A 5 N force acts to the right on a 2 kg block, and a 3 N force acts to the left. What is the net force and the resulting acceleration?
• Which term describes a moon phase that appears as a complete circle from Earth?
• Which term describes the force that resists motion between a moving object and the surface?
• Which term refers to matter that makes up the living and dead organisms in an ecosystem?
• Which term describes a rocky sphere that travels around a planet?
• What is the difference between a permanent magnet and an electromagnet?
• Which equation relates force, mass, and acceleration?
• What term is described as the moment two objects hit each other?
• Which word means to shine light on an object and make it visible?
• Which term describes the Moon's event when it is completely dark as it passes through Earth's shadow?
• During the First Quarter Moon, where are the Sun, Earth, and Moon approximately located relative to each other?
• When something stays mostly the same over time.
• Which term describes a chain reaction where one event leads to subsequent effects?
• Which term describes a moon phase that looks like more than half a circle from Earth?
• What term describes changing from one type to another?
• To push objects away from each other is to what?
• Which term refers to the force between an object and the surface it is moving over?
• How can climate change impact soil microbiomes?
• Which statement best describes the relationship between biogeochemical cycles and energy flow?
• What is a decomposer and give an example?
• What is beta diversity?
• State Newton's third law with an example.
• If a 4 kg block is pushed with 8 N on a frictionless surface, what is its acceleration?
• How does the microbiome influence ecosystem resilience?
• What is the work done by gravity when lifting an object of mass m by height h?
• Name two nitrogen transformations performed by soil bacteria.
• Which term describes organisms that rely on feeding on other organisms for energy, rather than making their own food?
• Which term describes something observed to be similar over and over again?
• Net Primary Production (NPP) is equal to Gross Primary Production minus what?
• Which term best describes a set of interacting parts forming a complex whole?
• Which statement correctly contrasts 16S rRNA sequencing and metagenomic sequencing?
• List the eight principal Moon phases in order from New Moon back to New Moon.
• Which phase comes after New Moon in the standard sequence?
• If you cut a bar magnet in half, what happens to the magnetic poles?
• For a current-carrying wire in a magnetic field, what determines the direction of the magnetic force?
• All the living and nonliving things interacting in a particular area.
• How does habitat fragmentation affect species richness?
• Which term describes medicines that kill microorganisms, especially bacteria?
• Which term describes the collection of bodies including the Sun and all objects that orbit it?
• The ability to make things move or change.
• What is Gross Primary Production (GPP)?
• Which molecule is made of carbon and oxygen atoms?
• What is the energy that an object has because it is moving?
• Which term describes a molecule that organisms can use to release energy?
• What is the approximate length of the synodic month?
• Which statement about energy transfer between trophic levels is most accurate?
• Which term describes the event when the Moon is completely dark?
• What term describes the sun, the planets that orbit the sun, and other objects that orbit the sun?
• How do the horizontal and vertical motions of a projectile evolve over time, neglecting air resistance?
• What is the difference between probiotics and prebiotics?
• What is something that can be changed and may be measured?
• What term describes a group of the same type of organism living in the same area?
• Which term describes a network showing the feeding relationships among organisms in an ecosystem?
• Which sequencing approach would best identify the functional gene potential of a microbial community?
• How many principal Moon phases are there in the standard sequence?
• In ecological terms, which role describes organisms that rely on others for energy, typically by consuming producers and other organisms?
• Which of the following is an ecosystem service?
• What is a habitat corridor and why is it important?
• What describes anything that has mass and takes up space?
• What energy is stored in an object or system?
• Which moon phase looks like a half-circle from Earth?
• What term means all of the microorganisms that live in a particular environment, such as a human body?
• Which term describes a group of atoms joined together in a particular way?
• How do producers convert inorganic carbon into organic molecules?
• Why is biodiversity important for ecosystem resilience?
• Which of the following best describes the role of producers in the carbon cycle?
• What is alpha diversity?
• A population that eats organisms from another population.
• State Lenz's law.
• What term refers to the star that is the main source of light at the center of our solar system?
• An object experiences a net force of 3 N for 4 seconds. What is the impulse delivered?
• What is 16S rRNA sequencing used for in microbiome research?
• What term describes the shape of the illuminated part of the Moon as it appears from Earth?
• In ecology, which term describes a complete interconnected system consisting of organisms and their physical surroundings?
• A molecule that organisms can use to release the energy needed to survive.
• What term describes an organism that is too small to be seen with the naked eye?
• In scientific terminology, what word describes a structured arrangement of connected parts that function as a whole?
• Which equation correctly relates impulse to momentum?
• Which statement best describes the role of decomposers in nutrient cycling?
• What term describes something we observe to be similar over and over again?
• What term means living things, such as plants, animals, and bacteria?
• A population that is eaten by organisms from another population.
• Which term describes the velocity of an object?
• What is the term for the nearly circular path a smaller object travels around a larger object?
• What is the space around a magnet where magnetic forces can act on objects?
• What describes how fast an object is moving?
• What is the chemical reaction between oxygen and glucose that releases energy into cells?
• Which term describes an organism that is too small to be seen with the naked eye?
• How does energy flow influence trophic structure?
• Which term describes the diversity between different samples?
• To move from one object to another or one place to another is to what?
• Which term describes a type of atom that makes up molecules such as carbon dioxide and energy storage molecules?
• A moon phase that looks like less than half a circle from Earth.
• Which term describes a moon phase in which the Moon is not visible from Earth?
• Which molecule is produced by photosynthesis and serves as a primary energy storage molecule?
• How do food chains differ from food webs?
• Which metrics are commonly used to measure alpha diversity in a microbiome sample?
• Which term is used to describe the energy of an object in motion?
• Which phase of the Moon appears smaller than a half circle when viewed from Earth?
• An organism that must eat to obtain energy storage molecules such as starch and fat?
• What term best describes all the living and nonliving things interacting in a particular area?
• What is a magnetic domain and why is it important?
• Which of the following is NOT a nitrogen transformation performed by soil bacteria?
• The result of one cause leading to an effect that causes one or more other effects.
• Which option illustrates a positive feedback example in ecosystems?
• In an ecosystem, organisms that break down dead material and recycle nutrients are called what?
• Which organisms convert light energy into chemical energy stored as sugars, forming the base of most ecosystems?
• What is the approximate energy transfer efficiency between trophic levels in most ecosystems?
• Which term describes nonliving components such as air and water in an ecosystem?
• An organism that needs to eat in order to get energy storage molecules such as starch and fat.
• What is carrying capacity?
• Which term describes all of the microorganisms that live in a particular environment, such as the human body?
• Which statement best describes how soil microbes contribute to nutrient cycling?
• Which choice best defines a System in biology?
• Which type of organism can synthesize its own energy storage molecules such as glucose?
• Which description best matches ecological succession?
• Which term describes matter that makes up the nonliving parts of an ecosystem, such as air, water, and rocks?
• Which device uses electric current to create a magnetic field?
• Which term refers to the amount of matter that composes an object?
• Which term refers to energy stored due to position?
• Which option illustrates a negative feedback example in ecosystems?
• Which microbial process produces methane in anaerobic environments?
• What is true about a permanent magnet's magnetic field?
• Which process do plants use energy from sunlight to convert carbon dioxide and water into oxygen and glucose?
• How do biogeochemical cycles differ from energy flow?
• What is the amount of matter that makes up an object?
• What term describes a model that shows what eats what in an ecosystem?
• What type of magnet has a magnetic field produced by electric current?
• What term describes when something becomes different over time?
• Which term describes when two or more populations use the same resource, such as the same food source?
• Which term describes matter that makes up living and dead organisms in an ecosystem?
• What is one of the two opposite ends of a magnet?
• When you lift an object upward, what is the sign of the work done by gravity?
• What are the tiny pieces that all matter is made of?
• Which term describes a push or pull that can change an object's motion?
• Name two key functions of the human gut microbiome for the host.
• An organism that gets energy storage molecules such as glucose by breaking down dead matter.
• Why do we always see the same face of the Moon from Earth?
• What term refers to tiny organisms that are made of a single cell?
• If two cars collide, which concept is described?
• Which term describes the moon phase that looks like a half-circle from Earth?
• What is ecological succession?
• In a photosynthetic ecosystem, what are producers?
• What is the link between microbiome results and overall ecosystem health?
• Which option describes a feedback loop and gives examples of negative and positive feedback in ecosystems?
• Which term describes a mechanism that breaks down organic matter and returns nutrients to the environment?
• How do you apply the right-hand rule for force on a current-carrying wire in a magnetic field?
• What is the border between light and dark on the Moon?
• To pull objects toward one another is to?
• What causes an induced emf in a conductor according to Faraday's law?
• Which statement accurately distinguishes a niche from a habitat?
• A lever has input arm length 2 m and output arm length 0.5 m. What is the mechanical advantage (neglecting friction)?
• A force of 6 N acts for 2 s on a 3 kg object. What is the impulse?
• Which term means a group of the same type of organism living in the same area?
• Which term refers to the shape of the illuminated portion of the Moon as seen from Earth?