The answer is (1) !!
it is one direction, from sun to produces to consumer !!
Answer:
XY/PQ=YZ/QR=XZ/PR
35/28=YZ/12=30/n
35/28=30/n
5/4=30/n
5n=120
n=120/5
n=24
Normally it’s the plasmodesmata that allows exchange of molecules between adjacent cells. But I’m still not sure if water is included!
Founder effect or population bottleneck refer to events which bring about reduction in the genetic variability of a particular specie population. Such events typically drastically reduce the gene pool of the population and produce a smaller number of population with less genetic diversity. An example of a population bottleneck is a genocide event. Such event will destroy a large percentage of the affected population leaving only a smaller population with less genetic diversity. i hope these helps.
Answer: D
Explanation: Muscles are made of sarcolemma (membrane), sarcoplasm(tissue), and they have multi nuclei inside of them.