How was the age of the Earth determined?

Fiona wants to use the scientific method to answer the question "Do oxygen levels in the air affect rates of photosynthesis?" She reads about photosynthesis in her biology book and is ready to carry out the next step.

In order to achieve sustainability of our environment, several factors must be considered. Which is NOT a factor to achieve successful environmental sustainability?

The process of cellular respiration A) occurs only in animals B) breaks down food molecules to release stored food C) must occur before plants are able to carry out photosynthesis D) is performed only by organisms that are in capable of

How do living things respond to their environment? Provide 2 examples.

Characteristics of mitosis?

What is the most important genetic factor influencing whether someone will develop osteoporosis? A. Age B. Exercise C. Gender D. Diet

What is one difference between a cell wall and a cell membrane? a. cell walls do not connect cell to cell. Cell membranes connect cell to cell b. only plant cells have cell walls. Only animal cells have cell membranes. c.

When cells divide during meiosis homologous chromosomes are randomly distributed to daughter cells and different chromosomes segregate what of each other?

What do all wetlands have in common? A. They lack life-forms. B. They are highly polluted. C. They are swamps. D. They recycle nutrients into the soil.

Lysis of adhesions is performed on either the fallopian tubes or the: answer vagina uterus ovaries vulva