1 What are the four types of living things found in an ecosystem?

producers, consumers, second consumers, tertiary consumers

producers, scavengers, consumers, decomposers

producers, scavengerrs, primary consumers, tertiary consumers

producers, primary, secondary, tertiary

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Forensic scientists think they know the identity of a skeleton. what rule should they use to select a relative whose dna could be used to try to confirm the identity?

Which is an inner plant a. earth b. saturn c. jupiter d.neptune