unit test review biology

In what respect is a mycelium and a fruiting body similar?

Both are made of hyphae

There are four steps in bacterial conjugation. The second step is missing in this list. 1. Special sex pilus connects two cells. 2. 3. Each cell makes a complementary DNA strand. 4. The cells separate. Which is the missing step for the process of conjugation described?

Some DNA moves from one cell to another

Beans, peaches, and potatoes are all vascular plants. What do these plants have in common?

They bear flowers and seeds.

What do sclerenchyma and collenchyma have in common?

They both function for support.

Consider the recent phylogenetic tree of five different organisms. mc023-1.jpg Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?

birds and bats

Which animals use the specialized roles of diver and barrier while participating in cooperative hunting?

bottlenose dolphins

Consider the classification levels of a human. Eukarya Animalia Chordata Mammalia Primates Hominidae Homo sapiens Which is the most specific taxonomic level in the classification system above?

sapiens

When a plant produces sugars and transports them during translocation, which main plant tissues are at work?

vascular and ground

Consider the diagram of the basic structure of bacteria. mc022-1.jpg Which of the labeled structures in the diagram allows bacteria to infect organisms under harsh conditions, such as in the acidic stomach?

A

Which statement accurately describes reproduction in animals?

All animals can reproduce sexually, and some can reproduce asexually.

Sal drew a diagram to compare vertebrates and invertebrates. Which label belongs in the area marked X?

Have a backbone

These statements compare and contrast Ascomycota and Basidiomycota. I. Some species in both groups can cause plant diseases. II. Species from both groups can be used in making bread rise. III. All species in both groups can be used as food. IV. Ascomycota produce spores in a sac-like structure; Basidiomycota produce spores in a club-shaped structure. Which of the statements are true?

I and IV

Which best describes the different modes of bacterial reproduction?

In conjugation, a special sex pilus is required to connect two bacterial cells.

Which statement best describes the difference between xylem and phloem?

Xylem transports water and nutrients in the plant, and phloem transports water and sugar.

Cacti typically grow in very dry climates with infrequent rainfall. When it does rain, the rain usually only penetrates a few inches into the soil. Which adaptation is most likely to help a cactus survive in the dry climate?

extensive shallow roots that absorb water