Which of the following best describes the matter present in an ecosystem? A. When an organism reproduces, new matter is added to it's ecosystem. B. The waste materials generated by one organism are often reused by other organisms. C. The total amount of matter in an ecosystem is constantly decreasing due to the process of decomposition. D. New matter is continuously generated by an ecosystem in a process known as photosynthesis.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

To store strawberries in sugar syrup, lucy placed them in a jar and covered them with sugar but did not add any water. do you think syrup will be formed? justify. a. no. since water is not added, there cannot be any syrup formation. b. no. the higher concentration of sugar on the outside will cause the water from the sugar to diffuse in the strawberry cells causing them to swell without formation of any syrup. c. yes. the higher concentration of sugar on the outside will cause the water from the strawberry to diffuse out resulting in syrup formation. d. yes. the sugar will melt over time and form the syrup.

What is the one part of the nucleotide  that differs among the other different nucle  tides?