Over a million students use our free study notes to help them with their homework
The virus is causing less chlorophyll to be produced. This is a problem as chlorophyll is an essential component in photosynthesis. Photosynthesis is a process by which plants are able to use sunlight in ...
On the island there is competition for lower lying grasses and no competition for higher bushes.Because of natural variation some tortoises have longer necks, which enables them to reach the higher bushes...
Our skin surrounds almost all parts of our body and can act as a mechanical barrier between microorganisms and our body. If the skin is damaged or cut, a scab will be formed to prevent microorganisms from...
Meiosis occurs in the ovaries or testes to produce gametes. Gametes are sex cells such as an egg cell or sperm cell. Four cells are produced by this process and they are non identical. Mitosis occurs thro...
Mitochondria is the power house of the cell, it's a membrane bound organelle which generates energy for cellular activity (e.g. protein production) by generation of ATP through aerobic (requires oxygen) r...
←
154
155
156
157
158
→
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
