Pick one biotic factor, if you were to change it dramatically somehow, how will this change affect the ecosystem?

When yellow stains in a kitchen sink are treated with bleach water?

What is the average number of seeds in an apple?

Each year, the science club puts on a science show for the students in the elementary school. Luis is planning demonstrations to show properties of metals. For one property, he decides to use a ball of pizza dough and a rolling pin.

Which statements about mutations are true? Check all that apply

Which describes a common characteristic of animal-like and plant-like protists? Both can be unicellular. Both can be heterotrophic. Both reproduce only asexually. Both have glass-like cell walls.

Is the retna in the back of the eye?

A. Efficiency of public services is offered nearby. B. Use of mass transit instead of individual automobiles. C. Recycles underutilized and devastated properties. D. Human activities result in the development of urban heat islands. E.

What type of defense is the immune system? Specific or non-specific

Researchers have found that increasing global temperatures will cause methane (CH4), a greenhouse gas, to be emitted at increasing rates by microorganisms found in freshwater ecosystems.

Which structure is the site of nutrient and gas exchange between the mother and a growing fetus? A. placenta B. umbilical cord C. fallopian tube D. uterus