4. What are the first organisms (colonizers) on the land? *

O

Flowers

Ants

Lichens & mosses

O

Oaktree

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In a biology class, one student argues that tissues are the building blocks of organs. Another student argues that cells are the building blocks of organs. Which student do you agree with? Support your position with scientific facts.

What is eutrophication? What can speed it up?

The Phlogiston theory was accepted until the 18th century, when Lavoisier proved that combustion requires a gas that has mass.

Semiconservative replication implies that Group of answer choices A) Each of the new double stranded DNA molecules contains one of the original intact strands and one completely new strand.

Which phrase best describes a gene? (1) a segment of a DNA molecule found only in the body cells of an organism (2) a segment of a DNA molecule found only in the gametes of an organism (3) a segment of a DNA molecule that contains the instructions

Cross a homozygous dominant individual for brown hair with an individual who is blond hair. remember the starting are the parental generation. What you are getting with results are the offspring (the F1 generation)

Identical twins look alike because their bodies contain identical

You can spread allergies to another person t/f

A volcanic eruption adds carbon dioxide to the air. This is an example of interactions between the 1) hydrosphere and geosphere 2) atmosphere and geosphere 3) geosphere and biosphere 4) hydrosphere and biosphere

A 16 year old highschool student presents in the ER with a fever, stiff neck, headache and nausea. You order a spinal tap to be performed. Gram staining of the CSF reveals Gram (-) rods under the microscope.