Please help! Which are characteristics of ALL bacteria? Check all that apply. edg2020 •They lack a nucleus.

•They have a nucleus.

•They eat other organisms.

•They make their own food.

•They are eukaryotes.

•They are prokaryotes.

Characteristics of bacteria are:

Explanation:

1. They lack a nucleus

2. They make their own food. ( Some autotrophic bacteria like blue green algae or cyanobacteria)

3. They are prokaryotes.

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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the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: