one! i wish you good luck on your test/assignment <3
Individual, population, community, biome, ecosystem
Answer:
In a stable population, if all the other factors are equal then the birth rate should be equal to the death rate in order to maintain the stability.
Explanation:
The birth rate is described as the number of births taking place in an area per year. Death rate is described as the number of deaths taking place in an area in a year.
In order to maintain a stable population, the birth rate should be equal to the death rate. If there are more number of births than the number of deaths, then it would mean more competition for resources like food, water etc.
Answer:
refers to the number of times the heart beats within a certain time period, usually a minute.
Or
it is the speed of the heart beat measured by the number of contractions of the heart
