Biotic matter - Study guides, Class notes & Summaries

EXAM 1 CH 1-3 ENVIRONMENTAL SCIENCE QUESTIONS & ANSWERS 2023/2024 What is the world's current total population? - ANSWER-7 billion In 1987 UN World Commission on Environment and Sustainability introduced the concept of what as a necessary focus for maintaining sustainability? - ANSWER-Human well being Living and nonliving parts and the processes that connect them make up - ANSWER-ecosystem What is biotic factor..? Give examples - ANSWER-living components of an ecosystem. They are ...

WGU C190 INTRO TO BIOLOGY Abiotic - correct answer Non-living, may be within or made by a living organism. Biotic - correct answer Living. Matter is considered ______ if it was ever alive at some point in time Atom - correct answer Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule - correct answer Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule - correct answer...

Abiotic - Non-living, may be within or made by a living organism. Biotic - Living. Matter is considered ______ if it was ever alive at some point in time Atom - Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule - Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule - Third level. Biologically important molecules that are technically polymers. Example: DNA. Cell - Fourth le...

model correct answers a simplified description designed to show the structure or working of an object, system or concept. open system correct answers type ***** in which both matter and energy are exchanged with its surroundings closed system correct answers type ****** in which energy but not matter is exchanged with its surroundings Gaia hypothesis correct answers developed by James Lovelock, compares the Earth to a living organism in which feedback mechanisms maintain equilibrium ...

Abiotic - Ans - Non-living, may be within or made by a living organism. Biotic - Ans - Living. Matter is considered ______ if it was ever alive at some point in time Atom - Ans - Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. Molecule - Ans - Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. Macromolecule - Ans - Third level. Biologically important molecules that are technically polyme...

Define the term biodiversity - diversity of important ecological entities that span multiple spatial scales, from genes, to species to communities - biological diversity encompasses all species of plants, animals, and microorganisms, and the ecosystems and processes of which they are part Explain how the terms species, richness, evenness, and diversity are related Species richness: a count of all the different species in a prescribed area Species evenness: a measure of the rareness or c...

Abiotic - Non-living Biotic - living things Biology - The study of life Biome - A group of ecosystems with similar climates and organisms Cell - Basic unit of life Community - All the different populations that live together in an area Ecosystem - A biological community of interacting organisms and their physical environment. Macromolecule - A very large organic molecule composed of many smaller molecules-technically polymers Molecule - A group of atoms bonded together Organ - A collec...

NIU BIOS 103 EXAM 4 QUESTIONS AND ANSWERS GRADED A+ **Evolution and Ecology** What process drives the adaptation of species to their environments? A) Genetic drift B) Gene flow C) Mutation D) Natural selection D) Natural selection Natural selection is the driving force behind the adaptation of species to their environments. Which scientific theory proposes that sudden and catastrophic events can cause mass extinctions and lead to the evolution of new species? A) Gradual...

CRSS/ FANR 3060 Exam 1 Questions and Answers soil - Correct Answer ️️ --layer(s) of generally loose mineral and/or organic material -affected by physical, chemical, & biological processes -usually hold liquids, gases and biota and support plants -non-renewable resource soil functions - Correct Answer ️️ -anchorage for plants storage and recycling of nutrients regulate water supply habitat for many organisms engineering medium transformations - Correct Answer ️️ --weathering...

Biology 103 Exam 1 Questions and Answers Already Passed **What are tiny entities of matter called?** **** Subatomic particles, which include protons, neutrons, and electrons. **What is the basic unit of all substances?** **** Atoms are the building blocks of all substances. **What term describes a group of atoms bonded together?** **** Molecules. **What are organized or specialized structures within a living cell called?** **** Organelles. **What is the smallest living unit of life?** ...