Answer:
Choose different ways to get around your city. Walk, bike, skateboard, scooter, take public transit, as many times a week as you can. Focus especially on those short trips–for example, buy a shopping trolley and walk to the grocery store if possible.
The key feature is cell wall. Only plants contain cells with cell wall. The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure. The plant cell wall consists of three layers with each layer containing its own unique structure and function.
Answer:
Population ecologists commonly divide the factors that affect the size of populations into density-dependent and density-independent factors. Density-independent factors, such as weather and climate, exert their influences on population size regardless of the population's density.
Explanation: