How does the skeletal system interact with other systems in the human body to enable you to move, walk, and run? Discuss and name two other systems and
how they all interact to support movement. You may refer to the anchor
phenomenon: Usain Bolt. (Write at least two complete sentence.) *

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Rue or false siblings look simila rbecause they each have some traits of their parents.

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2