Unit 7 Exam

Where Dimitri lives, the climate is humid much of the year. In some places, moss grows in the shade and between cracks of the pavement. The simplist plants, such as mosses and liverworts, are examples of which of the following plant groups?

• vascular plants

• nonvascular plants

• gymnosperms

• angiosperms

Tuyen's class was studying vertebrates. What are vertebrates?

• animals with body parts in segments

• animals with spiny skin

• animals with backbones

• animals without backbones

Scientists organize living things into a number of different levels of classification. As you continue down the levels of classification, which of the following is true?

• each level refers to a unique kind of organism

• the member of each classification level have more and more differences

• the organisms are grouped more and more by their behavior

• the organisms are more and more closely related to each other

Emma's class was studying vertebrates. Which of the following are examples of vertebrates?

• ferns, conifers, mosses

• brittle stars, sea stars, basket stars

• camels, falcons, frogs

• crabs, grasshopers, jellyfish

Aran observed moss growing on rocks and trees in a shady and moist area of the forest. The moss was very short. He also observed that no moss grew in dry or sunny areas. Which of the following is true about moss?

• Moss is a vascular plant, so it has true leaves and roots

• Moss is a nonvasular plant, without true leaves or roots

• moss reproduces by seeds that are protected inside a fruit

• moss is a sexual generation of a fern plant

Which of the following is a list of invertebrate groups?

• amphibians, fish, reptiles

• sloths, spiders, sear urchins

• frogs, salamanders, sea turtles

• mollusks, arthropods, echinoderms

The FIRST oxygen produced on earth most likely came from?

• Plants

• Animals

• Tardigrades

• Bacteria

Mosses, liverworts, and ferns all use which of the following to reproduce?

• pollen

• spores

• angiosperms

• gymnosperms

What is the purpose of vascular tissue in plants?

• to allow the plant to absorb sunlight for making food

• to allow fertilization of an egg so the plant can reproduce

• to absorb nutrients and water from the environemt like a sponge

• to allow the movement of water, nutrients, and sugars across a distance

Where are microoganisms found?

• only in sick people

• only in the soil

• only in polluted water

• everywhere