Biology
ACT Science / Biology
60 Words
30m
a living thing such as a plant, animal, etc., especially a very small one that lives on its own
The pond ecosystem is home to a variety of organisms, including fish, algae, and bacteria.
View Full Definitiona substance that provides nutrients and conditions for the growth of cells or microorganisms
The lab used a growth medium to cultivate the bacteria.
View Full Definitionthe general beliefs, customs, and lifestyles of a specific society
In Japanese culture, it's customary to bow when greeting someone.
View Full Definitionthe chemical processes through which food is changed into energy for the body to use
Metabolism involves various biochemical reactions that convert nutrients from food into energy.
View Full Definitiona representative or characteristic sample that is examined or analyzed to gain insights or understanding of a particular group or category
The scientist examined the specimen under the microscope for research.
View Full Definitiona special variety of domesticated animals within a species
View Full Definition(of a cell, gland, or organ) to produce and release a liquid substance in the body
Salivary glands secrete enzymes that aid in the digestion of food.
View Full Definitionto discharge waste products or substances from the body or cells into the environment, typically through urine, feces, or sweat
The kidneys excrete excess water and waste products from the bloodstream.
View Full Definitiona type of living thing with cells that have a nucleus and other structures enclosed in membranes, like plants, animals, fungi, and some microorganisms
Plants, with their roots, stems, and leaves, are examples of eukaryotes.
View Full Definitiona type of reproduction where a single organism can produce offspring without the involvement of another organism
View Full Definitiona type of cell division that creates reproductive cells with half the usual number of chromosomes
Meiosis ensures genetic diversity by creating haploid cells with unique combinations of chromosomes.
View Full Definitiona type of cell division that results in the formation of two daughter cells, each having the same number of chromosomes as the parent cell
Mitosis is essential for the growth and development of multicellular organisms, as it results in the production of new cells.
View Full Definitionthe longest phase of the cell cycle during which the cell grows, replicates its DNA, and carries out its normal functions
View Full Definitionthe initial phase of mitosis, where chromatin condenses into visible chromosomes and the nuclear membrane dissolves, preparing for cell division
During prophase, the duplicated chromosomes become visible under a microscope as they condense.
View Full Definitionthe stage of mitosis where chromosomes align along the center (equator) of the cell, preparing for their separation into daughter cells
During metaphase, chromosomes are attached to spindle fibers and align at the cell's equator.
View Full Definitionthe stage of cell division where sister chromatids or homologous chromosomes are pulled apart towards opposite poles of the cell by spindle fibers
During anaphase of mitosis, sister chromatids separate and move toward opposite ends of the cell.
View Full Definitionto break down or decompose naturally by biological processes, typically through the action of microorganisms like bacteria or fungi
Organic materials like food waste biodegrade in compost piles, turning into nutrient-rich soil.
View Full Definitionany molecule produced by living organisms including large molecules such as proteins, carbohydrates, lipids, and nucleic acids, as well as smaller molecules like vitamins, hormones, and metabolites
View Full Definitionthe existence of a range of different plants and animals in a natural environment
The rainforest is known for its rich biodiversity, housing countless species of flora and fauna.
View Full Definitiona field of study that combines biology and computational methods to analyze and interpret biological data
View Full Definitionnot causing harmful reactions or adverse effects when in contact with biological systems
View Full Definitiona branch of biology that employs statistical analysis to study and interpret biological phenomena and observations
Biometrics in biology uses statistical methods to analyze genetic variations among different populations.
View Full Definitiona thick slimy substance produced by mucous membranes, inside the nose or the mouth, to lubricate and protect them
When you have a cold, your body produces excess mucus to help trap and expel harmful viruses and bacteria.
View Full Definitionthe branch of biology that deals with microorganisms, including bacteria, viruses, fungi, and protozoa, and their effects on living organisms
Microbiology is essential for understanding disease transmission.
View Full Definitiona complete virus particle that includes genetic material wrapped in a protein coat, capable of infecting host cells to replicate
The influenza virion contains viral RNA enclosed within a protein capsid and an outer lipid envelope.
View Full Definitionthe state of something at a particular time
He checked the condition of the tires before the long road trip.
View Full Definitiona substance such as a vitamin, protein, fat, etc. that is essential for good health and growth
Fiber is a nutrient that aids in digestion.
View Full Definitionan approach to innovation and problem-solving that draws inspiration from nature's designs, processes, and systems
View Full Definitiona special cell used for reproduction, with sperm cells being the male gametes and egg cells being the female gametes
View Full Definitionthe collection of microorganisms, including bacteria, viruses, fungi, and other microbes, that inhabit a particular environment
View Full Definitionthe scientific study of the environment or the interrelation of living creatures and the way they affect each other
Ecology examines how plants and animals adapt to their environments.
View Full Definitionrefering to processes, effects, or phenomena that are caused by human activity or influence
Climate change is largely driven by anthropogenic factors such as greenhouse gas emissions.
View Full Definitiontourism that includes visiting endangered natural environments which aims at preservation of the wildlife and the nature
They planned an ecotourism trip to a rainforest to learn about local conservation efforts.
View Full Definitiona single-celled organism that is neither a plant, animal, nor fungus, typically found in aquatic or moist environments
Paramecium and amoeba are protists commonly found in freshwater habitats.
View Full Definitionreflecting a similarity in arrangement, type, or origin, particularly within the same species
Within the animal kingdom, one can find homologous bone structures that suggest a shared lineage.
View Full Definitionthe light produced by by living organisms as a result of biochemical reactions, often used for communication, attracting prey, or camouflage
The glow-worm's bioluminescence attracts mates by emitting a soft green light from its tail, visible in the darkness of the forest.
View Full Definitiona small, plant-like aquatic organism belonging to the class Hydrozoa, often forming branching colonies
The marine biologist studied the unique structures of the hydroid colony.
View Full Definitionthe process by which a differentiated cell changes its identity and adopts the characteristics of a different cell type
View Full Definitionthe network of thread-like structures that form the vegetative part of a fungus, typically growing underground or within a substrate
The forest floor was rich with mycelium, crucial for nutrient recycling in the ecosystem.
View Full Definition(of an organism) engaging in a symbiotic relationship where both participants benefit from the interaction
Bees are mutualists because they pollinate flowers while collecting nectar for food.
View Full Definitioneither of two different animal or plant species living in close association but not interdependent
View Full Definitiona mutually beneficial symbiotic association between the roots of plants and fungi where the fungus colonizes the root system, facilitating nutrient uptake from the soil
View Full Definitionto fully comprehend and integrate information or ideas
Students took time to assimilate the historical events discussed in class, connecting them to broader societal contexts.
View Full Definitiona reproductive cell capable of developing into a new organism without fusion with another cell, often adapted for survival in harsh conditions
Ferns reproduce by releasing spores into the air, which then settle and grow into new plants.
View Full Definitionanimal or plant substances or other organic matter that is used as a source of fuel
View Full Definitionrelated to how living things are categorized based on their similarities
The scientist studied the taxonomic groups of insects.
View Full Definitiona shallow, circular, transparent dish with a lid, commonly used in laboratories to culture and study microorganisms
The scientist placed the bacterial sample in a Petri dish to observe its growth over several days.
View Full Definitiona gelatinous substance derived from seaweed and used as a gelling agent in various food
The agar cubes added a delightful chewiness to the tropical fruit salad.
View Full Definitionthe scientific study of how the universe is created, its development, and how it is going to end
View Full Definitionextremely poisonous
The snake's bite was virulent and required immediate treatment.
View Full Definitiona single-celled organism used extensively in biological research as a model organism
View Full Definitiona movie, TV program, etc. that is based on a book or play
The film adaptation of the bestselling novel stayed true to the book's plot and characters.
View Full Definitiona single-celled, microscopic organism belonging to the group of protozoa, characterized by a flexible cell membrane and the absence of a fixed body shape
Amebas are commonly found in various aquatic environments, including freshwater ponds and streams.
View Full Definitiona scientist who studies the normal functions and activities of living organisms and their parts, often focusing on how biological systems work at the molecular, cellular, and organ levels
The physiologist conducted experiments to understand how muscles contract and relax.
View Full Definition(biology) any of the groups that plants, animals, etc. with similar characteristics are divided into, which is larger than a species and smaller than a family
The genus Rosa includes all the species of roses, known for their beautiful flowers and fragrance.
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