Answer: The hormones controlling the female reproductive system include gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone (FSH) and leutenizing hormone (LH), all of which are produced in the brain; oestrogen and progesterone produced by the ovaries and the corpus luteum; and human chorionic gonadotropin (HCG
The correct answer is B. Ordovician period
Explanation:
Plants are mainly multicellular organism that depends mainly on photosynthesis to obtain energy, this includes a wide variety of species such as grass, flowering plants, trees, shrubs, etc. Additionally, plants are considered as one f the two major divisions or kingdoms along with animals. In terms of history, it has been determined first land plants appear during the mid-Ordovician period around 470 million ago, although organisms that were the origin of land plants developed in water in previous periods, also by the Devonian period a wide variety of plants have emerged with features that are still part of plants nowadays. Therefore, plant life first appeared on land during the Ordovician period.
Answer:
a. enclosing their DNA in a nucleus.
Explanation:
Prokaryotes in general have no membrane bound organelles. The cells are enclosed in a plasma membrane though .
Answer: Go to a shelter farther inland on higher ground.
Explanation:
A hurricane is a tropical cyclone in which the air rotates in low pressure. It is an organized thunderstorm which has no fronts (a boundary that separates the two air masses which are of typically of different densities). The speed of the wind in this cyclone is 74 mph.
Go to a shelter farther inland on higher ground. is the correct approach. This is because of the fact that hurricane can cause the flow of water from the river at high tide. Thus it will be suitable that a person attains a shelter to higher grounds to keep itself save.