Over a million students use our free study notes to help them with their homework
Life is a complex thing that can be really hard to define. There are may different definitions, none that absolutely everyone can agree on, so we tend to describe it according to the context to which we a...
Chloroplasts are organelles found only in plants that allow the plant to release energy from sunlight through photosynthesis. They are green in colour because they contain the pigment chlorophyll.
They will swell and burst as water will enter the cell through osmosis. Water is more concentrated outside of the cell than in so the cell bursts.
Heredity is the process of genetic inheritance, where genetic information is passed from parents to their offspring. This information is in the form of de-oxyribonucleic acid (DNA), which is stored in the...
Controls the movement of substances into and out of the cell.
1
2
3
4
5
6
7
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids