Answer:
progesterone
Explanation:
Progesterone, unlike estrogen, has no activity on determining female sexual characteristics. Progesterone activity is to prepare the uterus for possible pregnancy by growing the endometrial lining of the uterus and receiving the fertilized egg and stimulating milk production.
Progesterone is directly responsible for maintaining and sustaining the fetus in the womb, stimulating, during the first two weeks of pregnancy, the fallopian tube and endometrial glands to secrete nutrients essential for the zygote. Uterine contractions are inhibited to prevent the fetus being expelled as it blocks prostaglandin production and decreases oxytocin sensitivity.
Answer:
A parasitic relationship is one in which one organism, the parasite, live off of another organism, the host, harming it.
<span>Similarities- Provide same function and purpose, similar characteristics (4 chambered heart), valves in similar positions.
Differences- Human is 1.5-2 X bigger than sheep heart, Anterior portion of sheep heart is parallel to the ground due to the stance of the animal. </span>
True, <span>Most fungi are multi cellular, but some, the </span>yeasts<span>, are simple unicellular </span>organisms<span> probably evolved from multi cellular ancestors.</span>
Answer: In the taxonomy of Linnaeus there are three kingdoms, divided into classes, and they, in turn, into orders, genera (singular: genus), and species (singular: species), with an additional rank lower than species. a term for rank-based classification of organisms, in general.
