A species is a group of organisms capable of mating and producing offspring. This is another way of saying that a species is reproductively isolated.
The answer to 1 and 2 is
fishing using cyanide and dynamite, pollution from sewage and agriculture, massive outbreaks of predatory starfish, invasive species.
<h2>Answer </h2>
Moss
<u>Explanation</u>
Moss is often used as a soil conditioner. The capacity of Sphagnum to keep damp creates the moss a common soil conditioner. A soil conditioner is a material manufactured from organic matter which assists to enhance the soil's characteristics, scoring slow-releasing nutrients. It has been simply used to kill any weed seeds. Mosses are small flowerless plants that typically develop in thick green clumps or mats usually in damp or dark areas.
Answer:
Star P is smaller than star Q
Explanation:
Absolute brightness is defined as brightness of a celestial object or star from a Standard distance usually taken as 10 parsecs from Earth. If one star is brighther than the other then there can be two variable playing major role given that they are at same distance –
a) composition of star and
b) Its size.
The larger the star, the more energy it will emit per second and hence more will be its absolute brightness.
Thus, star P is smaller than star Q
