Use the drop-down menus to complete each sentence.
is an interaction in which one organism kills and eats another.
is an interaction in which two organisms require the same limited resources.
is an interaction in which organisms work together to improve their survival.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.