Invasive species can take over an ecosystem.

True

False

Water that is in a condensed form can be absorbed through leaves. True False

Put the following events of the contraction cycle in the order in which they occur. 1. Cross-bridge detachment 2. Cross-bridge formation 3. Active site exposure 4. Myosin reactivation 5. Calcium ions bind troponin 6. Myosin head pivoting

Example of organisms

Which best states the theory of plate tectonics? A. Earth's continents were once joined together as one landmass. B. Earth's layers consist of the crust, the mantle, the outer core, and the inner core. C.

What tide occurs when the sun is at right angles to the line between earth and the moon

A cuticle occurs on the surface of organisms of many phyla and appears to be an advantageous feature. why have higher organisms not retained this structure?

After complex organic molecules have been absorbed in the small intestine, what materials are left behind?

What makes the trash in this landfill more of an environmental blight than the trash found in other trash dump areas? A) It is bigger. B) It is smellier. C) It won't disappear. D) It is harder to see.

What effects do currents have on objects in the ocean

Write the mrna base sequence that would result from the transcription of this segment of dna