The ___ of the cell directs cell activity and acts like the control center

A. nucleolus

B. ribosome

C. nucleus

D. mitochondrion

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores? 10% 20% 80% 90%

Which plant has the closet phylogenetic relationship with the plant trfolium pratense? A: geranium pratense B: equisetum pratense C:Trifolium repens D: vitex trifolia

What is a dangerous weather condition in which a layer of warm air traps smog close to Earth's surface

Which of these statements best defines the term Middle Ages? A. The period before the growth of the Catholic Church around the world. B. The period of interaction beween the Islamic and Mongol empires. C.

Which is a way that organisms from a single species are always similar to each other?

Which species will have the strongest mass shift on a magnetic susceptibility balance? -O2 -F2 -CO -NO

Which biology term best describes a wooden table

Which one of the following choices can be added to increase the creaminess the nutritional value of soup without adding fat

Why would an ecosystem be unable to sustain an increase in carnivores? A There is not enough prey. B The carnivores now have more space. C Plant growth increases. D It is a marine ecosystem.

What was the most important result of the meireki fire of 1567 in edo?