Plant cells produce their own food they also must get energy from this food which they use for cell activities growth and reproduction what is the name of the process in which plant cells use oxygen to get energy from food ?

f. photosynthesis
g. cellular respiration
h. fermentation
i. mitochondrion

An enzyme lowers the energy of activation. what does that mean?

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.