Which element of ecosystems is abiotic?

number of plant species per hectare

identities of predator and prey species

water in an aquifer

microorganisms in the soil

During the clinical death phase, the individual's regular heartbeat disintegrates, causing muscle spasms and gasping. resuscitation is no longer possible. the individual passes into permanent death.

A microbiologist is in the process of classifying a newly discovered organism. Its characteristics include: · eukaryotic · unicellular · has a cell wall · autotrophic Which type of organism is it most likely to be?

Cloud formation depends on?

What is During the removal of wastes in a cell, the waste products move

Evolution occurs when? A) There is a change in genetic frequency B) There is a change in the environment C) A population has remained stable over a long period of time D) New habitats and niches became open

Which medullary index indicates a human hair? A. 0.653 B. 0.733 C. 0.516 D. 0.256

The process that transports solutes, including many drugs, into the tubular fluid is called

Which life cycle describes a plant that reproduces asexually and sexually? A. egg + sperm → embryo → adult with all its chromosomes → gametes → adult; gametes produce an organism with half the chromosomes B.

What would happen to the mass of a cell in a hypertonic, isotonic and hypotonic?

How do air and water movement, and land masses affect the climate