Why is photosynthesis essential for plant homeostasis?
To color leaves green
To make food for the plant
To remove carbon dioxide from leaves
To make new types of cells

When analyzing tree rings, what do scientists assume a thin ring indicates?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles