A student expectation is directly related to the knowledge and skills statement, is more specific about how students demonstrate their learning, and always begins with a verb. Student expectations are further broken down into their component parts, often referred to as “breakouts.”
Vertical alignment shows student expectations in the same subject area at different grade levels that are related to or build upon one another.
Patterns are regular sequences that can be found throughout nature.
Sexually and asexually reproducing populations have different patterns of diversity. Sexually reproducing populations have more diverse offspring while asexually reproduction populations have more uniform offspring. This pattern allows for predictions regarding how a population of organisms may change over time.
Cause-and-effect relationships are relationships between two or more variables or phenomena whereby one variable or event leads to a predictable response. Events have causes—sometimes simple, sometimes multi-faceted.
The offspring of sexually reproducing populations have a mixture of parental genetic material (cause), increasing the variability of traits in the population (effect). The offspring of asexually reproducing populations have genetic material that is identical to the parent (cause), which results in no variability of traits in the population (effect).
It is important to consider how changes in scale, proportion, or quantity affect a system’s structure or performance. Scale refers to the size of an object in relation to another object or its environment. Proportion is the ratio of one quantity to another. Quantity is a count of a set of objects or a measurement of a substance.
Population diversity is most easily discussed in terms of the quantity of organisms with a particular trait in relation to the total population (proportion). While the ratio of a specific trait to the total population is static in asexually reproducing populations, in sexually reproducing populations it can change over time.
Stability describes a system that does not change at the observed scale. In a stable system, a small disturbance will die out and the system will return to a stable state. Change in the system can come from modifying a factor or condition.
The genetic diversity of sexually reproducing organisms creates a stable population that can withstand environmental changes.
Math.7.12.B use data from a random sample to make inferences about a population
Math.7.12.C compare two populations based on data in random samples from these populations, including informal comparative inferences about differences between the two populations
SS.7.10.C describe the structure of the population of Texas using demographic concepts such as growth rate and age distribution
SS.7.21.A create and interpret thematic maps, graphs, and charts representing various aspects of Texas during the 19th, 20th, and 21st centuries
ELAR.7.5.F make inferences and use evidence to support understanding
ELAR.7.5.G evaluate details read to determine key ideas
ELAR.7.5.H synthesize information to create new understanding