What would make a good fossil?

All cells have some universal features. Which of these is a universal feature found in every single cell on earth? A. Ribosomes B. Cell wall C. Golgi apparatus D. Mitochondna

Imagine you are a scientist testing how exercise can affect a persons heart rate. What is the independent variable and the dependent variable of your experiment?

One of the characteristics of retrotransposons is that

Are plasmids membrane bound organelles

what is the stage of mitosis where chromosomes align in the middle of the cell before being separated into each of the two daughter cells.

The blank theory of matter states that all particles of matter are in constant motion

Which of the following factors might a person consider in choosing job

A eukaryotic decomposer with a cell wall made of chitin is associated with which of the following Eubacteria Protista Archaebactria Fungi

Naturally occurring compounds in the earth are called what?

Tenho uma dúvida sobre uma coisa, por favor me expliquem para onde vai a água da chuva que cai sobre a areia, já que dificilmente vemos se formarem poças e por que vão pra esse lugar?