Question 15 of 25 Why do plants produce more carbon dioxide than oxygen during the night?
A. Respiration can only occur when there is no available sunlight.
B. Respiration can happen without sunlight, but photosynthesis
cannot.
C. Photosynthesis only produces carbon dioxide during the night.
D. Respiration produces oxygen during the day and carbon dioxide at
night

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.