Biology
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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What is ecology?
The study of how organisms interact with each other as well as their environment
What is an ecosystem?
It’s a community or group of living organisms that live in and interact with each other in a specific environment
What is biosphere?
The zone around the Earth where life can exist
What is hydrosphere?
it is all the Earth’s water in solid, liquid or gas form
What is lithosphere?
Consists of the outermost shell of a rocky terrestrial planet. It is made up of rocks and minerals
What is atmosphere?
Layers of gases that surround the Earth
What are ecosystems composed of?
• community • population • organisms
What is the difference between biotic and abiotic factors?
• Abiotic are non living things • Biotic are living things
Example of Abiotic
• Temperature • Wind • Sunlight • Sand • ice • Plastic
Example of Biotic
• Bacteria • animals • hair • humans • dead leaves
What is photosynthesis?
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
What is cellular respiration?
Cellular respiration is the process by which cells get energy from glucose
What organism would be on the first trophic level?
• Plants • Berries
What is a food chain?
A food chain is a linear sequence of organisms where organisms are linked in order of the food they eat
What is a food web?
A food web is the feeding relationship among species in a community.
What is the word equation for photosynthesis?
Carbon Dioxide + Water —light energy—> sugar + Oxygen
What is the word equation for cellular respiration?
Sugar + Oxygen ——> Carbon dioxide + water + energy
Which species do photosynthesis?
• Plants • single-celled algae • some aquatic microorganisms organisms
Which species do cellular respiration?
• Plants • Animals
What are the different kinds of producers and consumers?
• Herbivore • Carnivore • Omnivore • Scavenger
What kinds of predator-prey relationships exist?
• Competition • Predation • Mutualism • Parasitism • Commensalism
What is carrying capacity?
A species’ average population size in a particular habitat
List the different biotic and abiotic limiting factors
Biotic: food, mates, and competition with other organisms for resources Abiotic: space, temperature, altitude, and amount of sunlight available in an environment
What is the difference between primary, secondary, and tertiary consumers?
Primary: Are usually herbivores Secondary: Meat eaters Tertiary: Organisms that eat the secondary consumers