A decrease in the birth rate will cause a decrease in population over time.
The population of zoo plankton would decrease.
Death and migration are factors that can decrease hare population.
Population crash
There are many contributing factors that could be the cause for a decrease in fox population. Over population, not enough food, disease, or over hunting or poaching any of these could be the reason for a decrease in the population.
The role of a monarch butterfly is to keep the milkweed population controlled
The decrease in population is 900. The Percent change is 900 / 4500 X 100 = 20% Decrease Or = -20%.
The monarch butterfly is not an endangered species.
A decrease in overall population/population density.
· Maggot · Mayfly · Monarch Butterfly · Mosquito · Moth
Catalysts decrease activation energy.
It is true to say that; If a prey population decreases, the population of its predator probably will decrease as well.