The fact that species are becoming immune through natural selection being passed down generations
Answer:
Lysosomes
Explanation:
Salivary glands are secretory cells. Therefore, they have a very well-developed secretory system.
Lysosomes store secretory proteins and are important for keeping them sequestered from the rest of the cell, and eventually delivering them outside the cell.
Answer:
Temperature is the most harsh abiotic factor that limits distribution of the tundra biome.
Explanation:
The tundra biome can be described as a biome that is one of the most abundant biome of the earth but allows little growth of trees due to its very cold temperatures. Often, in a tundra biome, no trees would be seen. The ground soil of this biome remains frozen most of the year and is termed as permafrost. The tundra biome shows very little biodiversity due to the extreme cold conditions. Very few animals and plants are adapted to live in these conditions.
Answer:
Chromatin
Explanation:
Chromosomes are packaged by histone proteins into a condensed structure called chromatin.
