A community for different living organisms that support each other is called an ecosystem. The answer is (A) an ecosystem.
Prokaryotic cells are cells that can function independently. They consist of everything needed for that cell to nourish itself and to grow and reproduce.
Answer:
the Y chromosome is smaller than the X chromosome.
Explanation:
The male has an X and Y sex chromosome which is an exception to the general rule that homologous chromosomes are identical as the Y chromosome is smaller thus enabling it to swim faster than the X chromosome. The Y chromosome also has a longer lifespan compared to the X chromosome. The male genotypes is XY. Males are heterogametic as they produce two types of gametes, one carrying the X and the other carrying a Y chromosome.
This supports the continental drift idea by example: a fossil animal was in one continent and then you find it in another. This is splitting the continents.
