An opaque object is placed in front of a spotlight which does not occur

A. Absorption

B. illumination

C. reflection

D. transmission

What is the main function of any organisms reproductive system

The automatic tendency to maintain a relatively constant internal environment is called homeostasis. true false

The maintenance of steady conditions inside an organism is called?

A plant has purple flowers and hairy stems. Is this description it's genotype or its phenotype?

All cells are surrounded by a membrane. Which is a characteristic of a cell membrane? Question 5 options: It is square. It is semipermeable. It is weak. It is rigid.

1. Which statement most accurately describes the process of respiration? Select one: a. It occurs only in plants during the daylight hours and usually involves the exchange of gases. b.

All cells contain this. The purpose is to direct cellular activities, including protein synthesis. A) DNA B) nucleus C) ribosomes D) plasma membrane

Why do you think species remain in a stage of stasis?

The allele for pattern baldness (B) is dominant, and the non-bald allele (b) is recessive. Susan's mother has the genotype bb, while her father has the genotype BB. Susan and her three brothers all have the same genotype (Bb).

Which function do the nucleus and ribosomes have in common? A They both move easily in and out of the nuclear pores. B They are organelles that control information in the cell. C Neither of them has a nuclear envelope.