What kinds of jellyfish are autotrophic and what kinds are heterotrophic?

Fast question! Tommy is planning his science fair project. He wants to measure the rate of photosynthesis in plants that live in fresh water.

A plant that has no ovary would not be able to form which structure? filament fruit petals sepal

Which molecule is responsible for removing torsional stress during dna replication?

How has deforestation in Haiti altered the climate?

A scientist uses tree rings to study past climate conditions. She observes a series of rings that are thicker than average. Which would be the best conclusion for the scientist to draw about the years associated with the thicker tree rings? a.

Ralph is taking scuba diving classes and is warned not to hold his breath

Which of the following is not considered an aspect of environmental health? Control of drinking water Control of hazardous chemicals Control of sexually transmitted diseases Control of public sanitation

Which of the following is an example of conduction A a dog bowl of water warms up out in the sun B leftovers become warm when reheated in the microwave.

Which of the following rely directly on the brazil nut as a source of food? a. toads b. mosquitoes c. agouti d. poison frogs

The regulatory enzymes in gluconeogenesis are Group of answer choices A) hexokinase, phosphofructokinase, and pyruvate kinase B) glucose-6-kinase, aldolase, and enolase C) pyruvate carboxylase, aldolase, and phosphofructokinase D)