Answer:
The female and male sex cells or gametes are known as eggs and sperm. These cells are formed inside the sex glands and are destined to unite during the fertilization process in order to carry out reproduction in humans.
the male sexual cell is the spermatozoa, they are mobile and can move using their flagellum. Sperm remain alive for 2 or 3 days in the female genitalia. THESE CELLS ORIGINATE INSIDE THE TESTICLES.
Ovules are large, spherical and immobile cells and generally a single egg matures every 28 days, unlike sperm that are generated in large numbers.
Explanation:
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The mixture of gases that is thought to have made up Earth's early atmosphere is hydrogen, water vapor, ammonia, methane, carbon dioxide<span>. This is previous to life so oxygen was not present because it was produced when green plants existed to produce oxgygen through photosynthesis. Ozone was absen and so the uv radiation entered the atmosphere and it is thought that (along with electrical discharges) could vave contributed to the formation of the first organic molecules from the given mixture of inorganic gases.</span>
easy, study to find out what habitats the dimetrodon lived in, then go to the modern day locations of those prehistoric ecosystems.
i know cause i have been studying extinct, modern and prehistoric animals since i was 2
Commonly known as boreal forest or the snow forest, located in the tundra biome, it is one of the huge terrestrial biomes in the world. The reason why taiga forest exists in Arizona of the temperature, it has the lowest average temperature and because of its high elevation area.
Instinct, that would be what is inherited.
