What is a biotic factor in a coral reef ecosystem?

A) dissolved oxygen in water

B) lion fish

C) level of the tide

D) level of salinity

You perform a testcross on a tall pea plant. half the offspring are short. what conclusion can you draw from this outcome?

Which series of diagrams correctly represents the order of mitosis?

Which of the following statements of the reproductive system would be true? a. Spermatogenesis takes place in the seminal vesicles. b.

26. Which of the following best describes the difference between a phenotype and a genotype? a. Genotype is what you see and the phenotype is the coding b. Genotype is the coding (your DNA) and the phenotype is what you see. c.

What structure, found in plant cells, uses the process of exocytosis to remove water? A. nucleus B. contractile vacuole C. cell wall

What two things get thrown out of a cinder cone volcano

Choose the FALSE statement about rocks. A. They are natural substances. B. They must form from solid materials. C. They can form above or below ground. D. They are made of one or more minerals.

Description and function of a phospholipid

English maths biology physics account

Hallie and Jamar built a prototype bridge for a science competition. According to competition guidelines, their final design must hold at least 2 kilograms and span a gap of 0.5 meters. They built a bridge that is 0.75 meters long.