Because people would kill them or the soil is to dry.
Answer:
The density of a population can be regulated by various factors, including biotic and abiotic factors and population size. Density-dependent regulation can be affected by factors that affect birth and death rates such as competition and predation.
Answer:
Follicular phase
Explanation:
Menstrual cycle consists of 3 phases namely:
1. Follicular phase.
2. Ovulatory phase
3. Luteal phase
The follicular phase is stimulated by the follicle stimulating hormone(FSH). The first day of menstrual cycle marks the beginning of the follicular phase. The estrogen and progesterone reduces together with shedding of the uterine lining. In this phase and the follicles starts to form in the ovary. As time goes on only one follicle which contains egss continues to develop in the ovary which is released later.
Answer:
A thick, dense fur, keeps the fox warm during winter, by preventing excessive loss of temperature and body heat when it is cold.