Over a million students use our free study notes to help them with their homework
A Sequential Hermaphrodite is when an organism (often fish) is born as one sex, but later in life changes sex. Eg Clownfish are born male but the largest becomes female. This is important in fish populat...
A Biome is a collection of ecosystems that share similar climatic conditions and so have have similar vegetation types.Types of biomes: Tropical(near the equator), Savannah (Africa), Chaparral (Texas, San...
Weather is the condition of the atmosphere at a particular location and moment. Each day current weather conditions are given in local weather reports. On the other hand, Climate is the collective state o...
Availability of water; appropriate temperature range; suitable ambient gases; sunlight
Tropical rainforests are located around the equator, where there are high temperatures and light levels which increase the rate of plant growth, in turn increasing competition and specialisation. There is...
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
