Which of these is an abiotic factor in a meadow

A:Water

B:Insects

C:Birds

D:Grass

According to freud, two instincts furnish the energy for personality functioning. these instincts are

Why are decomposers such as bacteria important to an ecosystem's food web? They recover nutrients from dead matter and waste. They feed the primary producers. They take in energy from inorganic compounds. They provide nutrition directly to consumers.

A 9-year-old child who has cerebral palsy and scoliosis also is mentally challenged and blind. the child is incontinent, has contractures of the elbows and wrists, and sits in a customized wheelchair most of the day.

Is a scientist who studies plant remains in the archaeological record. a. ethnologist b. zooarchaeologist c. paleoethnobotanist d. paleontologist?

How does the human body maintain homeostasis regarding temputure?

What general trends characterized the evolution of Homo cranial morphology? a) increasing cranial capacity and more oval-shaped crania through time b) decreasing cranial capacity and more oval-shaped crania through time c) increasing cranial

Explain what process the a cell must use to allow a protein to enter and why?

Identify a reason why meiosis leads to significant genetic variation while mitosis does not.

Uranium - 235 has a half-life of 700 million years. How much of the 12g sample of uranium would be left after 2100 million years? A. 1.5 g B. 6g C. 3 g D. 75 g

Which is closely linked to short-term memory, is like a place for doing mental jobs and allows children and adults to manipulate and assemble information when making decisions, solving problems, and comprehending written and spoken language. A.