A ______ is a passageway for oxygen and carbon dioxide. They are holes in the underside of a leaf.

SLO 2 Which of the following systems is represented in this comparative anatomy picture?  

SLO 5 1a. Leaves in the shape of needles…..……………..…………………….2 1b. Leaves not in the shape of needles………………..……….…………4 2a. Needles composed of tiny overlapping scales ~1 mm in length….Juniperus virginiana 2b. Needles not composed of tiny overlapping scales….……..…..…….3 3a. Needles 2-3 per bundle…………..…..……………….………Pinus echinata 3b. Needles single………………………………………………… Taxodium distichum 4a. Leaf venation is palmate……………………………….… Liquidambar styraciflua 4b. Leaf venation is pinnate………………………………..… Liriodendron tulipifera   Identify the tree above using the dichotomous key.

__________ animals cannot maintain a constant body temperature.

The alternate form of leaf arrangement is the most common of the three types of leaf arrangement.

SLO 5 1a. Leaves in the shape of needles…..……………..…………………….2 1b. Leaves not in the shape of needles………………..……….…………4 2a. Needles composed of tiny overlapping scales ~1 mm in length….Juniperus virginiana 2b. Needles not composed of tiny overlapping scales….……..…..…….3 3a. Needles 2-3 per bundle…………..…..……………….………Pinus echinata 3b. Needles single………………………………………………… Taxodium distichum 4a. Leaf venation is palmate……………………………….… Liquidambar styraciflua 4b. Leaf venation is pinnate………………………………..… Liriodendron tulipifera   Identify the tree above using the dichotomous key.

A frog is an invertebrate.

A frog is an invertebrate.

Which system eliminates nitrogenous wastes from the body?

Bacteria found on most surfaces humans come in contact with would be in Domain Bacteria.