HRS - Ask. Learn. Share Knowledge. Logo

Questions in biology

[Done] Which substance is constantly processed by some excretory organs even though it is not excreted by the excretory system?

[Done] This omnivore eats berries in summer and salmon in fall. What is it?

[Done] What does "property" mean in science?

[Done] The circulatory system is divided into two main parts, the _________ circulation and the pulmonary circulation.

[Done] Protecting an entire ecosystem ensures that

[Done] Is breathing completely involuntary?

[Done] What two instruments made navigation much easier in the 1900s?

[Done] What makes lipids different from other organic compounds?

[Done] What is the haploid number of chromosomes in humans? A. Twenty-three

[Done] What has improved to make scientists better able to understand the cell?