Answer: b.Germinal, embryonic, fetal
Explanation:
The period from conception to birth generally includes the order that is germinal, embryonic and fatal.
Germinal period: It begins with the rapid cell division and differentiation of the blastocyst which is a cell mass acts as a precursor of new life. The germinal period last for 2 weeks.
Embryonic period: This period lasts for 8-10 weeks. In this period a process called as gastrulation occurs in which the three layers called as germ layers develop. The ectoderm is the outer layer, the mesoderm is the middle layer and the endoderm is the inner layer. Each germ layer differentiate into different structures.
Fetal period: It is the final stage of development of the fetus. It last for 10-40 weeks of pregnancy. It initiate from the embryonic period till the birth of the full term fetus. It involves the development and specializing of structures. Organ system of the fetus develops in this stage.
It is mostly likely the cell membrane.
The cell membrane is a structure of a cell composed of double layer of lipids and proteins. It surrounds a cell and separates the cytoplasm from its surrounding environment. The cell membrane is selectively permeable (semi-permeable), which means that it only lets certain molecules enter and exit. It can also control the amount of some substances that go into or out of the cell.
Answer:
Are made of sugars = Carbohydrates
Are used by organisms for long-term energy storage = Lipids
Are used by organisms for energy = Carbohydrates
Are made of fatty acids = Lipids
Hi!
The correct options would be B & E.
Rock and granite are hard and tough materials that are allow very minor seepage of water, which is close to negligible which is why these materials have been employed as construction material in buildings.
Clay is relatively more permeable to water as compared to granite and rock, but still does not allow water to flow through easily as it has a low porosity and permeability to water.
Soil & Organic Layer (fertilizer), allow easy passage of water through them due to high porosity.
Hope this helps!
Answer:
E
its all of the above
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