Biology STAAR Review

Front

Which function would be most immediately affected by a reduction in water uptake by roots? Options: disease resistance, seed dispersal, sunlight absorption, photosynthesis

Back

photosynthesis

Front

Back

The ecosystem will become unstable because predators will have fewer prey, the birds will have fewer nesting sites, and the area downriver will become vulnerable to flooding without the burrows to aerate the soil and provide drainage for monsoon rains.

Front

Which body systems are directly responsible for regulating these nodes and protecting the body from harmful materials in tissue fluid?

Back

Immune and lymphatic systems

Front

Students were given a list of seven elements and asked to identify the four elements that are most abundant in biomolecules. Which answer correctly identifies the four most abundant elements in biomolecules?

Back

carbon, hydrogen, nitrogen, oxygen

Front

This diagram demonstrates why the ocean is a large carbon sink. An increase in the amount of carbon dioxide in the atmosphere can cause atmospheric temperatures to increase. Which statement explains how this could affect the ocean as a carbon sink?

Back

Less carbon dioxide would be dissolved in the ocean because increasing atmospheric temperatures would cause ocean temperatures to increase.

Front

Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level?

Back

100 joules

Front

Which tree does the unknown leaf come from? Options: Ungnadia speciosia, Sophora secundiflora, Salix nigra, Quercus laceyi

Back

Quercus laceyi

Front

A student studying interactions between body systems constructs a table to describe interactions between pairs of systems. Which phrase could be placed in the position marked with an X? Options: provides nutrients to kidney cells, provides nutrients to brain cells, provides nutrients to nerve cells, provides nutrients to muscle cells

Back

provides nutrients to muscle cells

Front

Four common relationships between organisms are listed in the box. Which statements best describe these relationships?

Back

Relationships 1, 2, and 4 are examples of mutualism. Relationship 3 is an example of parasitism.

Front

Cells can generate as many 36 to 38 molecules of ATP from the mechanism of one molecule of glucose. Which cellular process results in this amount of ATP production?

Back

Aerobic cellular respiration