Which life cycle describes a plant that reproduces asexually and sexually? a. egg + sperm β embryo β adult with all its chromosomes β gametes β adult; gametes produce an organism with half the chromosomes b. egg + sperm β zygote β adult with all its chromosomes β spores β adult; spores produce an adult with half its chromosomes c. egg + sperm β embryo β adult with all its chromosomes β gametes β adult; gametes produce an organism with all its chromosomes d. egg + sperm β zygote β adult with all its chromosomes β spores β adult; spores produce an adult with all its chromosomes
Answers: 1
Biology, 22.06.2019 00:00
Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy
Answers: 2
Biology, 22.06.2019 00:00
Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.
Answers: 1
Biology, 22.06.2019 01:30
Hedgerows have created a new ecosystem within britainβs a. farms b. cities c. forests d. industrial areas
Answers: 1
Biology, 22.06.2019 06:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
Which life cycle describes a plant that reproduces asexually and sexually? a. egg + sperm β embryo...