Please help me answer these, they are for ecology, I need them as soon as possib

Question

Please help me answer these, they are for ecology, I need them as soon as possible, thank you.

1 pts Question 1 Random events such as ice storms, wildfres, or hurricanes that can affect the size and distribution ofa population of organisms are known as: Genetic drift Continental drift Metapopulations Environmental stochasticity DQuestion 2 1 pts Which statement is true about a Type I survivorship curve? Most individuals die young A majority of individuals survive to an old, age before mortality rates increase They show a constant rate of mortality They are a combination of Type ll and Type Ill curves

Explanation / Answer

1.(d) Environment stochasticity , here the size and distribution of population is affected by rapid natural hazardous calamities.

2. (b) a majority of individual survives to an 'old' age before mortality rate increases, i.e- HUMANS shows convex curve in survivorship graph.

3.(d)Type III, shows concave curve in survivorship graph, there is high fecundity in early stage but due to low parental care there is high mortality rate.

4.(b) The max. number (N) of individuals in a population that cab be supported by available resources.

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