What would you call a species that first enters an environment in the early stages of succession?

A. A pioneer species

B. An alien species

C. An invasive species

D. An endangered species

Trace evidence is a type of circumstantial evidence, examples of which include: a. hair found on a brush. c. blood drops on a shirt. b. fingerprints found on a glass. d. all of these choices.

This stress is associated with long-term problems.

Which of these parts of the cell membrane are polar and allow the cell to exist in water? O A. Phosphate groups O B. Amino acid chains O C. Fatty acid chains D. Globular proteins O

Would an amphibian that lacks lungs and breathes entirely through its skin likely be larger or smaller than an amphibian that has lungs? A.

How do the skeletal system and the lymphatic system work together to protect the body from disease?

True or false? a woman's behavior can often determine both whether or not she gets a chronic disease, as well as the chronic disease's course of infection.

What role do insulator sequences play in the regulation of eukaryotic transcription?

A tube worm is a creature that lives within the dark, hot, and mineral-rich conditions of a hydrothermal vent. Deep-sea bacteria use chemosynthesis to convert energy into a chemical form.

What type of mutation always creates a stop codon?

Describe what is happening to the chromosomes during each sub-phase of Meiosis I and Meiosis II.