1. single called organisms are part of the group

a. ekaryota

b. bacteria

c. archaea

d. all of the above

2. lineage- any continuous line of descent; those organisms connected by heredity from ancestor to descendant.

a. true

b. false

3. bacteria, archaea and eukaryota all started with a common ancestor.

a. true

b. false

20 !

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

that scientist would be robert hooke