& Answers | Grade A+| (Latest
2026/ 2027 Update) 100%
Correct (Verified Solutions)
Biology is the - ✅✅study of life
Biology can - ✅✅lead to surprising discoveries
Studying the natural world helps scientists.. - ✅✅find new medicines
to treat human disease (like venom from certain poisonous snakes
contains a chemical that lowers blood pressure in humans)
Studying biology allows humans to... - ✅✅make new ecology
discoveries, such as plant communication (When acacia trees are
attacked by herbivores they release molecules to warn other acacia
trees in the area)
Levels of biological organization from smallest to largest: - ✅✅-
atoms
-molecules
-cells
-tissues
, -organs
-organism
-population
-community
-ecosystem
-biosphere
Atoms: - ✅✅smallest unit of an element that has the chemical
properties of an element
Molecules: - ✅✅atoms bond with eachother to form molecules
Cells: - ✅✅simplest unit of life that is alive (organisms can be
unicellular or multicellular)
Tissues: - ✅✅cells of the same type associate with each other to
form tissues
Organs: - ✅✅composed of two or more types of tissues
Multicellular organisms are made of - ✅✅tissues and organs