How was sending hot air balloons to space start

The red spheres represent oxygen atoms, and the blue spheres represent hydrogen aroms is this substance a compound

Fossil evidence indicates that some dinosaurs had feathers. if birds are indeed descended from dinosaurs, feathers are what kind of character? hints

Which two organelles appear most similar when viewed under an electron microscope?

Note that the lac enzyme continues to be produced even in the absence of lactose. Why is this a problem? Try dragging the lac operator gene onto the stretch of DNA. What is the result?

The fringed rue plant produces oils that act as a natural insect repellent. The old-world swallowtail caterpillar lives on and eats the rue, having developed a resistance to the plant's poisonous oils.

Why do all organisms take in matter and rearrange atoms through chemical reactions to form molecules essential for life?

A biologist counts the number of zebras in a population each year and notices an increase in the zebra population. Which describes the biologist's actions? experimentation inference observation interacting

Which is one of the seven characteristics that Mendel observed in pea plants? flower size seed texture leaf shape stem color

When enough experimental data support a hypothesis, the hypothesis becomes a what

Ezpz escape answer key station 1 cells