In any ecosystem two factors interact together are abiotic factors and biotic factors. Abiotic factors include non-living such as soil, air, water and climatic factors ( temperature, humidity, rainfall or precipitation) whereas, biotic factors includes all the flora (plants) and fauna (animals). These two factors interact through food chains to function an ecosystem.
“Spool-like” structures around which DNA is wrapped around 1.65 times
Answer:
That antibiotic would be considered to be bacteriostatic. in other words, temporary stasis
A flower has the following:
Petals - segments of the flower
Sepal - outer parts of the flower at the bottom covered in bud
Stamen - produces pollen in the flower
Anther - where pollen is produced
Pistil - produces ovary of the flower
Stigma - where pollen germinates
Pollination occurs when insects like bees and butterflies transfers the pollen from one flower to another. Once transferred, fertilization begins.
Answer:
The correct answer is - the placenta, the site of exchange of materials between the mother and the fetus.
Explanation:
In the given diagram there is a representation of a human embryo developing in the uterus. Different parts are numbered and the number three represents the site of exchange of materials between the mother and the fetus and this organ is called the placenta. It is the organ that develops between fetus and uterus during pregnancy that allows substances such as nutrients, to diffuse from the mother's blood to the fetus and connected by the umbilical cord.
