Which term describes a selectively permeable barrier that controls movement in and out of the cell?
Cytoplasm
Cell membrane
Nucleus
Ribosome
Cell membrane
Which term describes a group of the same species living in one area?
Community
Ecosystem
Population
Biome
Population
Which term describes a change in species over time?
Mutation
Evolution
Adaptation
Variation
Evolution
Which term describes different forms of a gene?
Chromosomes
DNA
Traits
Alleles
Alleles
Which term describes maintaining internal stability despite external changes?
Metabolism
Regulation
Diffusion
Homeostasis
Homeostasis
Which term describes the movement of molecules from high to low concentration?
Osmosis
Active transport
Endocytosis
Diffusion
Diffusion
Which term includes both living and nonliving components?
Species
Population
Ecosystem
Habitat
Ecosystem
Which term describes a trait that improves survival?
Adaptation
Mutation
Selection
Fitness
Adaptation
Which term describes observable traits?
Genotype
Phenotype
Allele
Mutation
Phenotype
Which term describes movement against a concentration gradient requiring energy?
Diffusion
Osmosis
Active transport
Facilitated diffusion
Active transport
Which term describes the movement of water across a membrane?
Osmosis
Diffusion
Active transport
Homeostasis
Osmosis
Which term describes organisms that make their own food?
Producers
Decomposers
Consumers
Predators
Producers
Which term describes the survival of organisms with beneficial traits?
Artificial selection
Natural selection
Genetic drift
Migration
Natural selection
Which term describes an allele that is masked?
Recessive
Dominant
Homozygous
Heterozygous
Recessive
Which term describes a change in DNA sequence?
Adaptation
Mutation
Variation
Selection
Mutation
Which term describes the process of cell division that produces identical cells?
Meiosis
Binary fission
Mitosis
Cytokinesis
Mitosis
Which term describes the decrease in available energy at higher trophic levels in an ecosystem?
Biomass
Energy pyramid
Food web
Carrying capacity
Energy pyramid
Which term describes structures with a similar structure but different functions?
Analogous
Vestigial
Homologous
Adaptive
Homologous
Which term describes two identical alleles?
Heterozygous
Codominant
Phenotype
Homozygous
Homozygous
Which term describes cells with half the number of chromosomes?
Diploid
Somatic
Homologous
Haploid
Haploid
Which term describes the phase where chromosomes line up in the middle of the cell?
Prophase
Metaphase
Anaphase
Telophase
Metaphase
Which term describes biotic or abiotic factors that restrict population growth?
Carrying capacity
Adaptation
Limiting Factor
Succession
Limiting factor
Which term describes random changes in allele frequency in small populations?
Natural selection
Genetic drift
Mutation
Gene flow
Genetic drift
In certain flowers, red (RR) crossed with white (WW) produces pink (RW). Which term describes this inheritance pattern?
Codominance
Recessive inheritance
Incomplete Dominance
Polygenic inheritance
Incomplete dominance
Which term describes when both alleles are fully expressed?
Incomplete dominance
Codominance
Recessive
Dominant
Codominance