Day 101

All four animals belong to which family?

Which two animals are most closely related?

Vertebrates or Invertebrates?

Class? Aves, reptilia, amphibia, mammalia?

Day 102

Using the structures of the skulls, which two animals are most closely related?A Animals 1 and 3B Animals 1 and 4C Animals 2 and 3D Animals 2 and 4

What happens to the amount of energy in the pyramid as it moves up through the different levels?

A It increases.B It decreases.C It increases and then decreases.D It decreases and then increases.

Day 103

A plant with white flowers was crossed with a plant with red flowers. All of the offspring had white flowers.Which of these terms describes the red flower trait?

A codominantB recessiveC dominantD sex-linked

Which of these organelles uses light energy to produce sugar?

F the chloroplastG the vacuoleH the nucleusJ the mitochondrion

Day 104

Based on the DNA fingerprints above, which of these is the best conclusion aboutthe relationships between these people?

F Byron is related to both Andy and Calvin.G Andy, Byron, and Calvin are all unrelated to each other.H Andy and Calvin could be related to each other, but not to Byron.

The Punnett square below shows a cross between two flowering plants. Oneparent has purple flowers (Pp) and the other parent has white flowers (pp).

Which of these describes the offspring expected from this cross?A 50% white-flowered & 50% purple-floweredB 75% white-flowered &25% purple-floweredC 100% purple-flowered & 0% white-flowered

Day 105

According to the classification chart, which two organisms are the most closelyrelated?

Which organism is less related to the other three?

Day 106

This cat is a member of which genus and species?F Lynx rufusG Puma concolorH Lynx canadensisJ Herpailurus yaguarondi

Day 107

Which of these organisms would most likely live on a dead log in a cool, moist,shady forest?

A B C D

Which diagram shows the symmetry of a butterfly?

A B C D

Day 108

What is the main source of oxygen in an ecosystem?A combustion by carsB respiration by plantsC respiration by animalsD photosynthesis by plants

An animal has a long body with a long tail. Its feet are webbed with claws on theend. It is covered in scales and has a long snout with two nostrils on top. In whichof these environments does this animal most likely live?

Day 109

Lara gathered four plants that she wantedto group scientifically. She observed thefollowing things about the plants. Which ofher observations is accurate and will helpher classify the plants?

A Each of the plants is different.B Three plants have flowers and one has cones.C Bees are flying around one plant.D Only one of the plants is pretty.

Which of the following is the correct orderto show how energy flows through thiscommunity?A Sun grass snake mouseB Sun grass mouse snakeC Grass snake mouse sunWhich animal or animals in the communitywould be threatened if the grass becametoo dry?A Only the mouseB Only the snakeC The mouse and snake

Day 110

Weed killer is a poison that can harm frogs. How can Mr. Farmer best protect the endangered frogs in his pond?A Use weed killer only when it rains.B Do not spray any weed killer directly into the water.C Stop using weed killer where it can be washed into the pond.D Move the frogs to the other pond.