Before the Ordovician-Silurian extinction, the diversity of life on Earth was growing enormously due to

A thunderstorm comes up where should i go below a high peak or in a forest of thick trees

All living things are classified into two large groups. What is it that determines which group a cell falls into?

Chrysanthemums are short-day plants that normally flower in late fall. Suppose you were a chrysanthemum grower and you would like to produce a chrysanthemum crop for harvesting around Mother's Day (the second Sunday in May).

Which noncoding rna coats the inactive x-chromosome in regions of heterochromatin?

A nurse is caring for a client on the second day postpartum. the client informs the nurse that she is voiding a large volume of urine frequently. which factor should the nurse identify as a potential cause for urinary frequency?

Suppose that two ancient types of plants, one that grows in the winter and one that grows in the summer, appear together in the fossil record for two periods in the geologic time scale.

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How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.

What effect of acid rain on a ecosystem is