List some biotic and abiotic factors you would expect to find in a city park

Biotic factors: Trees, animals, human beings and insects

Abiotic factors: Swings, soil, benches,

Explanation:

Biotic factors are the alive part of the ecosystem. The living organism that is found around us is known as the Biotic part of the ecosystem.

Abiotic components of the ecosystem is known as the non living part of the ecosystem.

The interaction between the abiotic and biotic factor is known as the ecosystem. Park is an example of ecosystem as it contains both the components.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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