a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.
Answer:
D
Explanation:
True loam is not just any old topsoil. Technically, it has a certain texture, based on the size of its particles, clay being fine-textured, sand being coarse, and silt in between.
Answer:
Mosses and liverworts are lumped together as bryophytes, plants lacking true vascular tissues, and sharing a number of other primitive traits.
Their flagellated sperm must swim through water to reach the egg. So mosses and liverworts are restricted to moist habitats.
Explanation:
<span>A light year refers to a very big amount of distance and is a measurement termed as an astronomical unit of measure. When you say that a galaxy is 5,000 light years away we are actually describing the speed of light within a year. One light year is actually equivalent to 9, 500, 000, 000, 000 kilometers. Just imagine how big or how far that galaxy is when you multiply those kilometers by 5,000?</span>
