Movement

Respiration

Sensitivity

Growth

Reproduction

Excretion

Nutrition

Species

Binomial system

Tissue

Organ

Organ system

Diffusion

Osmosis

Active transport

Catalyst

Enzyme

Photosynthesis

Limiting factor

Ingestion

Mechanical digestion

Chemical digestion

Assimilation

Absorption

Egestion

Transpiration

Translocation

Pathogens

Transmissible disease

Active immunity

Aerobic respiration

Anaerobic respiration

Deamination

Synapse

Sense organs

Hormone

Homeostasis

Gravitropism

Phototropism

Drug

Asexual reproduction

Sexual reproduction

Fertilization

Self-pollination

Cross-pollination

Sexually transmitted infections (STI)

Inheritance

Chromosome

Gene

Allele

Haploid nucleus

Diploid nucleus

Mitosis

Meiosis

Genotype

Phenotype

Homozygous

Heterozygous

Dominant

Recessive

Sex-linked characteristics

Variation

Gene mutation

Adaptive feature

Fitness

Adaptation

Food chain

Trophic level

Food web

Producer

Consumer

Herbivore

Carnivore

Decomposers

Population

Community

Ecosystem

Genetic engineering

Sustainable development